Compound intervals are intervals larger than an octave. In the next table are compound intervals with their corresponding simple (smaller than an octave) intervals.
|Compound interval||Simple interval|
|major ninth (M9)||major second (M2)|
|major tenth (M10)||major third (M3)|
|perfect eleventh (P11)||perfect fourth (P4)|
|perfect twelfth (P12)||perfect fifth (P5)|
|major thirteenth (M13)||major sixth (M6)|
|major fourteenth (M14)||major seventh (M7)|
|perfect fifteenth (P15)||perfect octave (P8)|
Practice scales in our online
scale identification exercises.