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Interval names
Music Theory
| number of semitones | Name | |||||
|---|---|---|---|---|---|---|
| 4 | Major third | M3 | diminished fourth | d4 | ||
| 5 | Perfect fourth | P4 | augmented third | A3 | ||
| 6 | diminished fifth | d5 | augmented fourth | A4 | ||
| 7 | Perfect fifth | P5 | diminished sixth | d6 | ||
| 10 | minor seventh | m7 | augmented sixth | A6 | ||
| 11 | major seventh | M7 | diminished octave | d8 | ||
| 12 | perfect octave | P8 | augmented seventh | A7 | ||
| 1 | minor second | m2 | augmented unison | A1 | ||
| 2 | major second | M2 | diminished third | d3 | ||
| 3 | minor third | m3 | augmented second | A2 | ||
| 8 | minor sixth | m6 | augmented fifth | A5 | ||
| 9 | Major sixth | M6 | diminished seventh | d7 |