Konitz's "Silent Improvisation"

Having played with the Claude Thornhill Orchestra in 1947-8, Lee Konitz can thus be added to the list of those---including Alphonse Allais, Erwin Schulhoff, and Yves Klein---who beat John Cage to the punch:

Wittgenstein's Music of the Future

"I shouldn't be surprised if the music of the future were in unison. Or is that only because I cannot clearly imagine several voices? Anyway I can't imagine that the old large forms (string quartet, symphony, oratorio etc.) will be able to play any role at all. If something comes it will have to be---I think---simple, transparent.  

In a certain sense, naked. 

Or will that hold only for a certain race, only for one kind of music(?)" 

Wittgenstein, 1930

John Coltrane, Interstellar Space (1967):