Pedal C

[quote=gzent;297041The problem, physics tells me that it takes a heck of a lot more acoustic energy to noticeably change a soldered brass tube than a human is able to generate.

Greg[/QUOTE]

I've always found both the subjects of the thread interesting, but a little questionable. I'm curious though, how much energy DOES it take to alter an instrument and how much CAN a person produce?

I don't mean to sound confrontational, just wondering.

Jason.

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