The Theramin produces one of the most beautiful sonorities I\'ve ever heard--like an exquisite female voice of unlimited range with no words. It would be easy to sample separately each note that a Theramin player performs. But the Theramin moves from note-to-note ONLY by glissando (or by portamento--when it moves to a neighboring note.) It can play a glissando over many octaves in the time it would take to play a grace note. Or it can play a steady gliss over its entire range that lasts several seconds. There is absolutely no break in tone between the glissando and the following or preceding notes. So how could one record a set of samples of the Theramin and then program a GIG to play this instrument with a MIDI keyboard?