Diatonic collection（自然大调/中古调）
Ic form 2212221
Nature major(Ionian), Dorian, phrygian, Lydian, mixolydian, aeolian, locrian.
Acoustic（旋律小调）
Ic form 2221212
Acoustic, mixolydian b6,locrian #2, superlocrian, melodic minor ascending, Dorian b2,Lydian augmented.
Harmonic major（和声大调）
Ic form 2212131
Harmonic major, Dorian b5, Phrygian b4, melodic minor ascending #4, mixolydian b2.
Harmonic minor （和声小调）
Ic form 2122131
Harmonic minor, locrian #6, major #5, Dorian #4, Phrygian dominant, Lydian#2.
Octatonic （八音调）
Ic form 12121212
(0),(1),(2)
Hexatonic （六音调）
Ic form 131313 (0,1), (1,2),(2,3),(0,3)
Whole tone （全音调）
Ic form 22222
0,1
