For me it's the instrument. If I want to think of a flute and the state of the arts I hear a vibrato; I don't know what a flute is unless the person plays it for me
Morton FeldmanAt one point [Cardew] taught himself to play guitar simply in order to take part in the performance in a composition by Boulez, which is a little like saying he learned Danish to read Kiekegaard.
Morton Feldman