generative pentatonic melody maxmsp

Transpose a pentatonic starting from a major key
Ⅰ, Ⅳ and Ⅴ are major pentatonic. Minor pentatonic otherwise
Rearranges the order of major scales and pentatonic scales. Fisher–Yates shuffle is used for sorting. It's the same as playing scales at random, but the difference may be that the same scale appears only once. 8 x 6 = 48 notes, one cycle and transposition.
Chord progression:
ⅠM7 → ⅣM7
#maxmsp #gen