[PD] accidental recogniser

Hello everyone,

Attached is a patch of mine. It attempts to modulate when the 6th semitone above the root of a major scale is played(F sharp in the case of C major, C sharp in the case of G major).

I am trying to implement this so that it interates through the circle of fifths..and eventually back to C major...only problem is that I seem to keep getting myself into infinite loops with the "selects" and "spigots" that I use.

Can anyone suggest of show an easier way of doing it? My aim is to be able to suggest backing key progressions depending on the melodies played on my MIDI keyboard.(i.e.. the computer puts an appropriate backing to my solo playing).

Help appreciated,
Marcus.

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