This is my version of the music maker. Controls: Piano: Z-60 X-62 C-64 V-66 B-68 N-70 M-72 A-74 S-76 D-78 F-80 Choir: Q-50 W-52 E-54 R-56 T-58 Y-59 Priorities: Two notes on the same instrument will not play at the same time. Instead, the given instrument will play the lowest active note.