9. The instrument according to claim 1 , wherein said multi-channel processing system includes a signal processor, wherein said signal processor generates an outgoing control signal in response to transducer signals generated by at least one of said plurality of vibration-sensing transducers.
9. The instrument according to claim 1 , wherein said multi-channel processing system includes a signal processor, wherein said signal processor generates an outgoing control signal in response to transducer signals generated by at least one of said plurality of vibration-sensing transducers. 10. The instrument according to claim 9 , wherein said outgoing control signal comprises signals of MIDI format.