The Chops Builders MIDI files are located on this NAUTILUS disc in the directory SBYTES\CHOPS Instrumentation is as follows: Track 1 - Bass (or Electric Bass as you like) Track 2 - Piano (Keyboard) Track 3 - Drums_as follows C1 - Kick B1 - Sidestick Snare F2 - Hi Crash E1 - Snare C2 - Low Tom F#2 - Cabasa F#1 - H/Hat Cl C#2 - MedLow Tom G1 - H/Hat Med D2 - MedHi Tom G#1 - H/Hat Op D#2 - Hi Tom A1 - Low Crash E2 - Ride Cym