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> Even though depressing a piano key is discreetly parametric (you send a > hammer event at a velocity). This event affects the timbre of the >string as > well as simply the volume. The player then gets to decide how long to >let > the overtones "bloom". I noticed that when you hit a piano note for the second time while holding the sus pedal down there's a very different sound. a lot brighter, because the hammer collides with the vibrations from another note. Many classical pianists are credited with the ability to bring out the different melodic strands in a polyphonic piece just by control of the note volumes. (perhaps relevant to building up polyphonic loops, usually I vary the tone for each layer, but maybe its nice to use the exact same sound at a different volume level) > Pipe organs are even crazier...The pipes cross-talk so that depending >on > what you play, the sound changes (we're not simply talking about > inter-modulation in the ambient here). This cross-talk is SO STRONG >that > the intonation of the pipes change ........interesting would that be more noticeable when a high pitched pipe is affected by a low pitch one? andy butler