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Interval names

Music Theory

number of semitonesName
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
Created by: Mary Morrissey