[ Ref. 090827 MMDigest, Raffin 31er Scale vs. Carl Frei 20er Scale

Hello Wallace and MMD!  Having done some 31-note music, I strongly
recommend using a software called Noteur which is obtainable as
freeware from the same source as Midiboek.  (Probatum est!)

Cheers,
Christofer Nöring

 [ See http://www.mmdigest.com/Archives/KWIC/N/noteur.html 
 [ -- Robbie