# Music Interval Flashcards: Size, Quality &amp; Note Spelling

![Abstract paired note forms connected by measured arcs across staff\-like lines\.](<https://d2bq3tvt7zf1kf.cloudfront.net/catalog/media/8be1789bef59e8c57e763dfa3b2207897b1d4b538bee6a821b13b7ca158ed2d9>)

Installable practice for interval names, semitone counts, inversions, identification, and spelling\-aware construction in written music theory\.

Von [Open Study Contributor](<https://nibomo.com/de/catalog/authors/open-study-contributor/>)

[Mit diesem Lernkartenset kostenlos lernen](<https://app.nibomo.com/catalog/import/bb566ded-c031-5bf8-9ea0-1503a80a9c38>)

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## Details zum Lernkartenset

- Karten: 181 Karten
- Version: 1
- Veröffentlicht: 29. August 2026
- Zuletzt aktualisiert: 10. September 2026
- Lizenz: Common knowledge · CC0 1\.0
- Zielgruppensprachen: [en](<https://nibomo.com/de/catalog/languages/en/>)
- Fach: Music theory
- Tags: music\-intervals

## Über dieses Lernkartenset

Written intervals get slippery when letter count, semitone distance, and spelling point in different directions. This 181-card deck turns those compact rules into retrieval practice for simple intervals from P1 through P8 in common Western written music theory and 12-tone equal temperament.

The sequence starts with size and quality families, abbreviations, and the conventional semitone chart. It then covers inversion pairs before moving into 48 note-pair identification prompts and 48 construction prompts. Cards practice interval name → semitone count, conventional semitone count → interval name, written notes → size and quality, and named interval + starting note → one correctly spelled upper note. Selected enharmonic contrasts show why equal semitone spans can carry different written names.

Reverse semitone cards use the conventional perfect/major/minor chart plus both tritone spellings. Other augmented and diminished enharmonic names appear only in selected contrast cards, not as an exhaustive reverse mapping. There is no audio, ear training, staff notation, compound intervals, exhaustive transposition grid, every enharmonic permutation, or course-specific grading.

The facts are common-knowledge music fundamentals checked against open educational references. CC0 applies to the original card wording, selection, ordering, metadata, and generated cover to the extent those elements carry rights; no ownership is claimed over musical facts.

This is an independent fundamentals deck. It supports written practice rather than replacing notation exercises, ear training, a course, teacher guidance, or a particular exam syllabus.

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## Karten in diesem Lernkartenset

### Karte 1

**Frage**

In written music theory, what is an interval?

**Antwort**

The distance between two pitches. A written interval is named by its number and quality.

### Karte 2

**Frage**

How does a major interval compare with the minor interval of the same number?

**Antwort**

A major interval is one semitone wider. The written interval number stays the same.

### Karte 3

**Frage**

How do you find an interval number from two written note names?

**Antwort**

Count letter names inclusively from the lower note to the upper note. C–E counts C, D, E, so it is a third.

### Karte 4

**Frage**

What quality results when a major or perfect interval widens by one semitone without changing its number?

**Antwort**

Augmented. For example, widening C–F from P4 to C–F♯ produces A4.

### Karte 5

**Frage**

Which interval numbers belong to the perfect family?

**Antwort**

Unisons, fourths, fifths, and octaves: 1, 4, 5, and 8.

### Karte 6

**Frage**

What two parts make a specific written interval name?

**Antwort**

Quality and number. For example, “major third” combines the quality major with the number third.

### Karte 7

**Frage**

How does a minor interval compare with the major interval of the same number?

**Antwort**

A minor interval is one semitone narrower. The written interval number stays the same.

### Karte 8

**Frage**

Do accidentals change an interval's generic number?

**Antwort**

No. The written letter names set the number; accidentals can change the quality.

### Karte 9

**Frage**

What quality results when a minor or perfect interval narrows by one semitone without changing its number?

**Antwort**

Diminished. For example, narrowing C–G from P5 to C–G♭ produces d5.

### Karte 10

**Frage**

Which interval numbers belong to the major/minor family?

**Antwort**

Seconds, thirds, sixths, and sevenths: 2, 3, 6, and 7.

### Karte 11

**Frage**

Which comes first when naming an interval: quality or number?

**Antwort**

Quality comes first. Say “minor third,” not “third minor.”

### Karte 12

**Frage**

What is a simple interval?

**Antwort**

An interval from a unison through an octave. Intervals larger than an octave are compound and are outside this deck's scope.

### Karte 13

**Frage**

What does the interval abbreviation P1 mean?

**Antwort**

Perfect unison.

### Karte 14

**Frage**

What does the interval abbreviation m2 mean?

**Antwort**

Minor second.

### Karte 15

**Frage**

What does the interval abbreviation M2 mean?

**Antwort**

Major second.

### Karte 16

**Frage**

What does the interval abbreviation m3 mean?

**Antwort**

Minor third.

### Karte 17

**Frage**

What does the interval abbreviation M3 mean?

**Antwort**

Major third.

### Karte 18

**Frage**

What does the interval abbreviation P4 mean?

**Antwort**

Perfect fourth.

### Karte 19

**Frage**

What does the interval abbreviation A4 mean?

**Antwort**

Augmented fourth.

### Karte 20

**Frage**

What does the interval abbreviation P5 mean?

**Antwort**

Perfect fifth.

### Karte 21

**Frage**

What does the interval abbreviation m6 mean?

**Antwort**

Minor sixth.

### Karte 22

**Frage**

What does the interval abbreviation M6 mean?

**Antwort**

Major sixth.

### Karte 23

**Frage**

What does the interval abbreviation d5 mean?

**Antwort**

Diminished fifth.

### Karte 24

**Frage**

What does the interval abbreviation m7 mean?

**Antwort**

Minor seventh.

### Karte 25

**Frage**

What does the interval abbreviation M7 mean?

**Antwort**

Major seventh.

### Karte 26

**Frage**

What does the interval abbreviation P8 mean?

**Antwort**

Perfect octave.

### Karte 27

**Frage**

How many semitones does a perfect unison (P1) span in 12-TET?

**Antwort**

0 semitones.

### Karte 28

**Frage**

How many semitones does a minor second (m2) span in 12-TET?

**Antwort**

1 semitone.

### Karte 29

**Frage**

How many semitones does a major second (M2) span in 12-TET?

**Antwort**

2 semitones.

### Karte 30

**Frage**

How many semitones does a minor third (m3) span in 12-TET?

**Antwort**

3 semitones.

### Karte 31

**Frage**

How many semitones does a major third (M3) span in 12-TET?

**Antwort**

4 semitones.

### Karte 32

**Frage**

How many semitones does a perfect fourth (P4) span in 12-TET?

**Antwort**

5 semitones.

### Karte 33

**Frage**

How many semitones does an augmented fourth (A4) span in 12-TET?

**Antwort**

6 semitones.

### Karte 34

**Frage**

How many semitones does a perfect fifth (P5) span in 12-TET?

**Antwort**

7 semitones.

### Karte 35

**Frage**

How many semitones does a minor sixth (m6) span in 12-TET?

**Antwort**

8 semitones.

### Karte 36

**Frage**

How many semitones does a major sixth (M6) span in 12-TET?

**Antwort**

9 semitones.

### Karte 37

**Frage**

How many semitones does a diminished fifth (d5) span in 12-TET?

**Antwort**

6 semitones.

### Karte 38

**Frage**

How many semitones does a minor seventh (m7) span in 12-TET?

**Antwort**

10 semitones.

### Karte 39

**Frage**

How many semitones does a major seventh (M7) span in 12-TET?

**Antwort**

11 semitones.

### Karte 40

**Frage**

How many semitones does a perfect octave (P8) span in 12-TET?

**Antwort**

12 semitones.

### Karte 41

**Frage**

In the conventional simple-interval chart, what interval spans 0 semitones?

**Antwort**

A perfect unison (P1). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 42

**Frage**

In the conventional simple-interval chart, what interval spans 1 semitone?

**Antwort**

A minor second (m2). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 43

**Frage**

In the conventional simple-interval chart, what interval spans 2 semitones?

**Antwort**

A major second (M2). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 44

**Frage**

In the conventional simple-interval chart, what interval spans 3 semitones?

**Antwort**

A minor third (m3). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 45

**Frage**

In the conventional simple-interval chart, what interval spans 4 semitones?

**Antwort**

A major third (M3). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 46

**Frage**

In the conventional simple-interval chart, what interval spans 5 semitones?

**Antwort**

A perfect fourth (P4). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 47

**Frage**

In the conventional simple-interval chart, what interval spans 6 semitones?

**Antwort**

An augmented fourth (A4) or diminished fifth (d5). Six semitones does not fix the written number; note spelling distinguishes A4 from d5.

### Karte 48

**Frage**

In the conventional simple-interval chart, what interval spans 7 semitones?

**Antwort**

A perfect fifth (P5). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 49

**Frage**

In the conventional simple-interval chart, what interval spans 8 semitones?

**Antwort**

A minor sixth (m6). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 50

**Frage**

In the conventional simple-interval chart, what interval spans 9 semitones?

**Antwort**

A major sixth (M6). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 51

**Frage**

In the conventional simple-interval chart, what interval spans 10 semitones?

**Antwort**

A minor seventh (m7). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 52

**Frage**

In the conventional simple-interval chart, what interval spans 11 semitones?

**Antwort**

A major seventh (M7). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 53

**Frage**

In the conventional simple-interval chart, what interval spans 12 semitones?

**Antwort**

A perfect octave (P8). This is the conventional basic-chart name; unusual enharmonic spellings can produce another written interval.

### Karte 54

**Frage**

What does it mean to invert a simple interval?

**Antwort**

Move the lower note up an octave, or the upper note down an octave, so their order reverses.

### Karte 55

**Frage**

Which interval number is the inversion partner of a unison?

**Antwort**

An octave. Unisons and octaves form the 1 ↔ 8 inversion pair.

### Karte 56

**Frage**

How does perfect quality change under interval inversion?

**Antwort**

It stays perfect. A perfect interval inverts to another perfect interval.

### Karte 57

**Frage**

Which interval number is the inversion partner of a second?

**Antwort**

A seventh. Seconds and sevenths form the 2 ↔ 7 inversion pair.

### Karte 58

**Frage**

What do the numbers of a simple interval and its inversion add up to?

**Antwort**

9. For example, a third inverts to a sixth because 3 + 6 = 9.

### Karte 59

**Frage**

How do major and minor qualities change under interval inversion?

**Antwort**

They swap. Major inverts to minor, and minor inverts to major.

### Karte 60

**Frage**

Which interval number is the inversion partner of a third?

**Antwort**

A sixth. Thirds and sixths form the 3 ↔ 6 inversion pair.

### Karte 61

**Frage**

How do augmented and diminished qualities change under interval inversion?

**Antwort**

They swap. Augmented inverts to diminished, and diminished inverts to augmented.

### Karte 62

**Frage**

How many semitones do a simple interval and its octave inversion span in total?

**Antwort**

12 semitones. Their two spans complete an octave.

### Karte 63

**Frage**

Which interval number is the inversion partner of a fourth?

**Antwort**

A fifth. Fourths and fifths form the 4 ↔ 5 inversion pair.

### Karte 64

**Frage**

What is the inversion of a perfect unison (P1)?

**Antwort**

A perfect octave (P8).

### Karte 65

**Frage**

What is the inversion of a minor second (m2)?

**Antwort**

A major seventh (M7).

### Karte 66

**Frage**

What is the inversion of a major second (M2)?

**Antwort**

A minor seventh (m7).

### Karte 67

**Frage**

What is the inversion of a minor third (m3)?

**Antwort**

A major sixth (M6).

### Karte 68

**Frage**

What is the inversion of a major third (M3)?

**Antwort**

A minor sixth (m6).

### Karte 69

**Frage**

What is the inversion of a perfect fourth (P4)?

**Antwort**

A perfect fifth (P5).

### Karte 70

**Frage**

What is the inversion of an augmented fourth (A4)?

**Antwort**

A diminished fifth (d5).

### Karte 71

**Frage**

What is the inversion of a perfect octave (P8)?

**Antwort**

A perfect unison (P1).

### Karte 72

**Frage**

What is the inversion of a major seventh (M7)?

**Antwort**

A minor second (m2).

### Karte 73

**Frage**

What is the inversion of a minor seventh (m7)?

**Antwort**

A major second (M2).

### Karte 74

**Frage**

What is the inversion of a major sixth (M6)?

**Antwort**

A minor third (m3).

### Karte 75

**Frage**

What is the inversion of a minor sixth (m6)?

**Antwort**

A major third (M3).

### Karte 76

**Frage**

What is the inversion of a perfect fifth (P5)?

**Antwort**

A perfect fourth (P4).

### Karte 77

**Frage**

What is the inversion of a diminished fifth (d5)?

**Antwort**

An augmented fourth (A4).

### Karte 78

**Frage**

Written interval C4 → C4?

**Antwort**

Perfect unison (P1). The note letters make a unison, and the pitches span 0 semitones in 12-TET.

### Karte 79

**Frage**

Ascending written interval F♯4 → G4?

**Antwort**

Minor second (m2). The note letters make a second, and the pitches span 1 semitone in 12-TET.

### Karte 80

**Frage**

Ascending written interval D4 → F♯4?

**Antwort**

Major third (M3). The note letters make a third, and the pitches span 4 semitones in 12-TET.

### Karte 81

**Frage**

Ascending written interval C4 → F4?

**Antwort**

Perfect fourth (P4). The note letters make a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 82

**Frage**

Ascending written interval E4 → C5?

**Antwort**

Minor sixth (m6). The note letters make a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 83

**Frage**

Ascending written interval E♭4 → D5?

**Antwort**

Major seventh (M7). The note letters make a seventh, and the pitches span 11 semitones in 12-TET.

### Karte 84

**Frage**

Ascending written interval C4 → G4?

**Antwort**

Perfect fifth (P5). The note letters make a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 85

**Frage**

Ascending written interval D♭4 → G4?

**Antwort**

Augmented fourth (A4). The note letters make a fourth, and the pitches span 6 semitones in 12-TET.

### Karte 86

**Frage**

Ascending written interval C4 → D4?

**Antwort**

Major second (M2). The note letters make a second, and the pitches span 2 semitones in 12-TET.

### Karte 87

**Frage**

Ascending written interval D4 → F4?

**Antwort**

Minor third (m3). The note letters make a third, and the pitches span 3 semitones in 12-TET.

### Karte 88

**Frage**

Ascending written interval C4 → A4?

**Antwort**

Major sixth (M6). The note letters make a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 89

**Frage**

Ascending written interval D4 → A♭4?

**Antwort**

Diminished fifth (d5). The note letters make a fifth, and the pitches span 6 semitones in 12-TET.

### Karte 90

**Frage**

Ascending written interval F♯4 → E5?

**Antwort**

Minor seventh (m7). The note letters make a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 91

**Frage**

Ascending written interval C4 → C5?

**Antwort**

Perfect octave (P8). The note letters make an octave, and the pitches span 12 semitones in 12-TET.

### Karte 92

**Frage**

Written interval F♯4 → F♯4?

**Antwort**

Perfect unison (P1). The note letters make a unison, and the pitches span 0 semitones in 12-TET.

### Karte 93

**Frage**

Ascending written interval C4 → D♭4?

**Antwort**

Minor second (m2). The note letters make a second, and the pitches span 1 semitone in 12-TET.

### Karte 94

**Frage**

Ascending written interval B♭3 → D4?

**Antwort**

Major third (M3). The note letters make a third, and the pitches span 4 semitones in 12-TET.

### Karte 95

**Frage**

Ascending written interval D4 → G4?

**Antwort**

Perfect fourth (P4). The note letters make a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 96

**Frage**

Ascending written interval F♯4 → D5?

**Antwort**

Minor sixth (m6). The note letters make a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 97

**Frage**

Ascending written interval C4 → B4?

**Antwort**

Major seventh (M7). The note letters make a seventh, and the pitches span 11 semitones in 12-TET.

### Karte 98

**Frage**

Ascending written interval F♯4 → C♯5?

**Antwort**

Perfect fifth (P5). The note letters make a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 99

**Frage**

Ascending written interval C4 → F♯4?

**Antwort**

Augmented fourth (A4). The note letters make a fourth, and the pitches span 6 semitones in 12-TET.

### Karte 100

**Frage**

Ascending written interval E4 → F♯4?

**Antwort**

Major second (M2). The note letters make a second, and the pitches span 2 semitones in 12-TET.

### Karte 101

**Frage**

Ascending written interval A3 → C4?

**Antwort**

Minor third (m3). The note letters make a third, and the pitches span 3 semitones in 12-TET.

### Karte 102

**Frage**

Ascending written interval F♯4 → D♯5?

**Antwort**

Major sixth (M6). The note letters make a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 103

**Frage**

Ascending written interval C4 → G♭4?

**Antwort**

Diminished fifth (d5). The note letters make a fifth, and the pitches span 6 semitones in 12-TET.

### Karte 104

**Frage**

Ascending written interval D4 → C5?

**Antwort**

Minor seventh (m7). The note letters make a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 105

**Frage**

Ascending written interval E4 → F4?

**Antwort**

Minor second (m2). The note letters make a second, and the pitches span 1 semitone in 12-TET.

### Karte 106

**Frage**

Ascending written interval C4 → E4?

**Antwort**

Major third (M3). The note letters make a third, and the pitches span 4 semitones in 12-TET.

### Karte 107

**Frage**

Ascending written interval F♯4 → B4?

**Antwort**

Perfect fourth (P4). The note letters make a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 108

**Frage**

Ascending written interval C4 → A♭4?

**Antwort**

Minor sixth (m6). The note letters make a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 109

**Frage**

Ascending written interval F♯4 → E♯5?

**Antwort**

Major seventh (M7). The note letters make a seventh, and the pitches span 11 semitones in 12-TET.

### Karte 110

**Frage**

Ascending written interval B♭3 → F4?

**Antwort**

Perfect fifth (P5). The note letters make a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 111

**Frage**

Ascending written interval F4 → B4?

**Antwort**

Augmented fourth (A4). The note letters make a fourth, and the pitches span 6 semitones in 12-TET.

### Karte 112

**Frage**

Ascending written interval F♯4 → G♯4?

**Antwort**

Major second (M2). The note letters make a second, and the pitches span 2 semitones in 12-TET.

### Karte 113

**Frage**

Ascending written interval C4 → E♭4?

**Antwort**

Minor third (m3). The note letters make a third, and the pitches span 3 semitones in 12-TET.

### Karte 114

**Frage**

Ascending written interval E♭4 → C5?

**Antwort**

Major sixth (M6). The note letters make a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 115

**Frage**

Ascending written interval F♯4 → C5?

**Antwort**

Diminished fifth (d5). The note letters make a fifth, and the pitches span 6 semitones in 12-TET.

### Karte 116

**Frage**

Ascending written interval B♭3 → A♭4?

**Antwort**

Minor seventh (m7). The note letters make a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 117

**Frage**

Ascending written interval B3 → C4?

**Antwort**

Minor second (m2). The note letters make a second, and the pitches span 1 semitone in 12-TET.

### Karte 118

**Frage**

Ascending written interval F♯4 → A♯4?

**Antwort**

Major third (M3). The note letters make a third, and the pitches span 4 semitones in 12-TET.

### Karte 119

**Frage**

Ascending written interval B♭3 → E♭4?

**Antwort**

Perfect fourth (P4). The note letters make a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 120

**Frage**

Ascending written interval A3 → F4?

**Antwort**

Minor sixth (m6). The note letters make a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 121

**Frage**

Ascending written interval D4 → A4?

**Antwort**

Perfect fifth (P5). The note letters make a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 122

**Frage**

Ascending written interval B♭3 → C4?

**Antwort**

Major second (M2). The note letters make a second, and the pitches span 2 semitones in 12-TET.

### Karte 123

**Frage**

Ascending written interval F♯4 → A4?

**Antwort**

Minor third (m3). The note letters make a third, and the pitches span 3 semitones in 12-TET.

### Karte 124

**Frage**

Ascending written interval A3 → F♯4?

**Antwort**

Major sixth (M6). The note letters make a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 125

**Frage**

Ascending written interval C4 → B♭4?

**Antwort**

Minor seventh (m7). The note letters make a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 126

**Frage**

Perfect unison from C4?

**Antwort**

C4. The spelling makes a unison, and the pitches span 0 semitones in 12-TET.

### Karte 127

**Frage**

Minor second above F♯4?

**Antwort**

G4. The spelling makes a second, and the pitches span 1 semitone in 12-TET.

### Karte 128

**Frage**

Major third above C4?

**Antwort**

E4. The spelling makes a third, and the pitches span 4 semitones in 12-TET.

### Karte 129

**Frage**

Perfect fourth above B♭3?

**Antwort**

E♭4. The spelling makes a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 130

**Frage**

Minor sixth above C4?

**Antwort**

A♭4. The spelling makes a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 131

**Frage**

Major seventh above B♭3?

**Antwort**

A4. The spelling makes a seventh, and the pitches span 11 semitones in 12-TET.

### Karte 132

**Frage**

Perfect fifth above E4?

**Antwort**

B4. The spelling makes a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 133

**Frage**

Augmented fourth above D♭4?

**Antwort**

G4. The spelling makes a fourth, and the pitches span 6 semitones in 12-TET.

### Karte 134

**Frage**

Major second above C4?

**Antwort**

D4. The spelling makes a second, and the pitches span 2 semitones in 12-TET.

### Karte 135

**Frage**

Minor third above B♭3?

**Antwort**

D♭4. The spelling makes a third, and the pitches span 3 semitones in 12-TET.

### Karte 136

**Frage**

Major sixth above E4?

**Antwort**

C♯5. The spelling makes a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 137

**Frage**

Diminished fifth above C4?

**Antwort**

G♭4. The spelling makes a fifth, and the pitches span 6 semitones in 12-TET.

### Karte 138

**Frage**

Minor seventh above D4?

**Antwort**

C5. The spelling makes a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 139

**Frage**

Perfect octave above E♭4?

**Antwort**

E♭5. The spelling makes an octave, and the pitches span 12 semitones in 12-TET.

### Karte 140

**Frage**

Minor second above C4?

**Antwort**

D♭4. The spelling makes a second, and the pitches span 1 semitone in 12-TET.

### Karte 141

**Frage**

Major third above E♭4?

**Antwort**

G4. The spelling makes a third, and the pitches span 4 semitones in 12-TET.

### Karte 142

**Frage**

Perfect fourth above C4?

**Antwort**

F4. The spelling makes a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 143

**Frage**

Minor sixth above B♭3?

**Antwort**

G♭4. The spelling makes a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 144

**Frage**

Major seventh above C4?

**Antwort**

B4. The spelling makes a seventh, and the pitches span 11 semitones in 12-TET.

### Karte 145

**Frage**

Perfect fifth above B♭3?

**Antwort**

F4. The spelling makes a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 146

**Frage**

Augmented fourth above C4?

**Antwort**

F♯4. The spelling makes a fourth, and the pitches span 6 semitones in 12-TET.

### Karte 147

**Frage**

Major second above E♭4?

**Antwort**

F4. The spelling makes a second, and the pitches span 2 semitones in 12-TET.

### Karte 148

**Frage**

Minor third above F♯4?

**Antwort**

A4. The spelling makes a third, and the pitches span 3 semitones in 12-TET.

### Karte 149

**Frage**

Major sixth above C4?

**Antwort**

A4. The spelling makes a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 150

**Frage**

Diminished fifth above D4?

**Antwort**

A♭4. The spelling makes a fifth, and the pitches span 6 semitones in 12-TET.

### Karte 151

**Frage**

Minor seventh above F♯4?

**Antwort**

E5. The spelling makes a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 152

**Frage**

Minor second above E4?

**Antwort**

F4. The spelling makes a second, and the pitches span 1 semitone in 12-TET.

### Karte 153

**Frage**

Major third above F♯4?

**Antwort**

A♯4. The spelling makes a third, and the pitches span 4 semitones in 12-TET.

### Karte 154

**Frage**

Perfect fourth above D4?

**Antwort**

G4. The spelling makes a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 155

**Frage**

Minor sixth above F♯4?

**Antwort**

D5. The spelling makes a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 156

**Frage**

Major seventh above E4?

**Antwort**

D♯5. The spelling makes a seventh, and the pitches span 11 semitones in 12-TET.

### Karte 157

**Frage**

Perfect fifth above F♯4?

**Antwort**

C♯5. The spelling makes a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 158

**Frage**

Augmented fourth above F4?

**Antwort**

B4. The spelling makes a fourth, and the pitches span 6 semitones in 12-TET.

### Karte 159

**Frage**

Major second above B3?

**Antwort**

C♯4. The spelling makes a second, and the pitches span 2 semitones in 12-TET.

### Karte 160

**Frage**

Minor third above C4?

**Antwort**

E♭4. The spelling makes a third, and the pitches span 3 semitones in 12-TET.

### Karte 161

**Frage**

Major sixth above F♯4?

**Antwort**

D♯5. The spelling makes a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 162

**Frage**

Diminished fifth above B♭3?

**Antwort**

F♭4. The spelling makes a fifth, and the pitches span 6 semitones in 12-TET.

### Karte 163

**Frage**

Minor seventh above E♭4?

**Antwort**

D♭5. The spelling makes a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 164

**Frage**

Minor second above B♭3?

**Antwort**

C♭4. The spelling makes a second, and the pitches span 1 semitone in 12-TET.

### Karte 165

**Frage**

Major third above D4?

**Antwort**

F♯4. The spelling makes a third, and the pitches span 4 semitones in 12-TET.

### Karte 166

**Frage**

Perfect fourth above F♯4?

**Antwort**

B4. The spelling makes a fourth, and the pitches span 5 semitones in 12-TET.

### Karte 167

**Frage**

Minor sixth above E4?

**Antwort**

C5. The spelling makes a sixth, and the pitches span 8 semitones in 12-TET.

### Karte 168

**Frage**

Major seventh above F♯4?

**Antwort**

E♯5. The spelling makes a seventh, and the pitches span 11 semitones in 12-TET.

### Karte 169

**Frage**

Perfect fifth above C4?

**Antwort**

G4. The spelling makes a fifth, and the pitches span 7 semitones in 12-TET.

### Karte 170

**Frage**

Major second above F♯4?

**Antwort**

G♯4. The spelling makes a second, and the pitches span 2 semitones in 12-TET.

### Karte 171

**Frage**

Minor third above E4?

**Antwort**

G4. The spelling makes a third, and the pitches span 3 semitones in 12-TET.

### Karte 172

**Frage**

Major sixth above B♭3?

**Antwort**

G4. The spelling makes a sixth, and the pitches span 9 semitones in 12-TET.

### Karte 173

**Frage**

Minor seventh above C4?

**Antwort**

B♭4. The spelling makes a seventh, and the pitches span 10 semitones in 12-TET.

### Karte 174

**Frage**

Why are C4 → F♯4 and C4 → G♭4 different written intervals even though both span 6 semitones?

**Antwort**

Their note letters set different numbers. C–F♯ is an augmented fourth (A4), while C–G♭ is a diminished fifth (d5).

### Karte 175

**Frage**

Why are C4 → C♯4 and C4 → D♭4 different written intervals even though both span 1 semitone?

**Antwort**

Their spellings set different numbers. C–C♯ is an augmented unison (A1), while C–D♭ is a minor second (m2).

### Karte 176

**Frage**

Why are C4 → D♯4 and C4 → E♭4 different written intervals even though both span 3 semitones?

**Antwort**

Their spellings set different numbers. C–D♯ is an augmented second (A2), while C–E♭ is a minor third (m3).

### Karte 177

**Frage**

Why are C4 → F♭4 and C4 → E4 different written intervals even though both span 4 semitones?

**Antwort**

Their spellings set different numbers. C–F♭ is a diminished fourth (d4), while C–E is a major third (M3).

### Karte 178

**Frage**

Why are C4 → G♯4 and C4 → A♭4 different written intervals even though both span 8 semitones?

**Antwort**

Their spellings set different numbers. C–G♯ is an augmented fifth (A5), while C–A♭ is a minor sixth (m6).

### Karte 179

**Frage**

Why are C4 → A♯4 and C4 → B♭4 different written intervals even though both span 10 semitones?

**Antwort**

Their spellings set different numbers. C–A♯ is an augmented sixth (A6), while C–B♭ is a minor seventh (m7).

### Karte 180

**Frage**

Why are C4 → B♯4 and C4 → C5 different written intervals even though both span 12 semitones?

**Antwort**

Their spellings set different numbers. C–B♯ is an augmented seventh (A7), while C–C is a perfect octave (P8).

### Karte 181

**Frage**

Why can semitone count alone fail to identify a written interval?

**Antwort**

Semitone count gives chromatic distance, but the note letters give the interval number. You need both number and semitone distance to determine the written quality.

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