Donny,
The hand claps, etc.., are usually sysex products that can be easily corrected using Michael Bedesem's Midi Player program. Most GM midi files don't have this problem, but there are no hard, fast rules with midi files.
Gary
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Travlin' Easy
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)