Wii Trombone, anyone?
Ooooh! Wii Marching Band! Earth First! (We can strip mine the rest later.)
Even if you did somehow capture everything that goes into a trombone performance, you'd then have to deal with how to actually synthesize it on playback, which is surprisingly non-trivial.
Basically, the best way to capture a trombone performance is with a microphone into a digital audio file.busy bees buzz | sockpuppet revolution[ Parent ]