Musical Drum

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     Now this one is a really neat bend.  I had added an on/off switch and output jack when I first picked it up and had it on my desk for a year or so playing with it once in a while.  Then added a coarse and fine controls to the power source to change the output speed and tone.  Was about to close it up when happed to touch a point on board.  Really neat sound change.  Went looking and found a second.  Lesson is on black blobs always check -- there might be a good bend point.  Anyway touching either or both body contact caused some really neat output.