> I used to play the trombone. It plays notes through a "sliding scale"
> as you know. Doesn't that mean that it can sort of be analog , not
> digital ? Like old radio dials, not the new ones. It can play
> continuous, not discrete notes. So, it plays all the notes from all
> the cultures, everything from every culture , as far as the physics
> and culture discussion on these threads ,no ?
Yep. A horn of a fixed length can only play the natural harmonics but the trombone slide changes the acoustic length of the horn.
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Michael Smith mjs at smithbowen.net http://stopmebeforeivoteagain.org