> ... different amplitudes for various harmonics ... Different phases too.
> If I wanted to speculate even more, I'd wonder if there's any coupling > between the strings that would disfavor having them stay 180 out of > phase. Interesting and plausible idea. > ... But that's the facile answer. I suspect the correct answer relates to an interaction between (and superposition of) the three effects you mention. To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html