Coltrane was moving out of jazz into something else. And certainly Miles Davis was doing the same thing.

Sometimes it works, sometimes it fails, but that's what we face when we're dealing with improvisation.

The only element of jazz that I keep is improvisation.

Coltrane was moving out of jazz into something else. And certainly Miles Davis was doing the same thing.

There's a certain phraseology involved in jazz, and I've moved away from that.

I feel very strongly when there's no chance for me to find a key to a piece.

Jazz, for me, is a closed circuit, like the term baroque in the world of classical music.