On 02.11.2006, at 11:19, Leslie Bell wrote: > Also, if you believe there is a spiritual component to music and > musical communication between musicians, I'd just bet it's in > those supersonic frequencies. I would rather say that is visual contact, body movement, some telepathy, vibrations. All of them are most likely out of a frequency range of audio speakers. Fortunately. I would not want my speakers following a jumping guitarist ;-) ___ Peter Ostry