Of course I knew the work of Roland Kirk and Harry Carney and the specific uses they would make of circular breathing, so I knew it was physically possible.

Actually John, Paul Rutherford, and Trevor Watts, and several other rather well known English jazz musicians had got their training by joining the Air Force, which was a pretty standard way for people to get some kind of musical education in those days.

Of course I knew the work of Roland Kirk and Harry Carney and the specific uses they would make of circular breathing, so I knew it was physically possible.

There's an institution here called the National Sound Archive, and there's a character who works there, Paul Wilson. He takes a very special interest in the history of the music and advised Martin Davidson of the existence of these tapes.

I've been to the studio several times, and it's not that I'm not happy with what I've got, but each time I come away, I feel that I've learned something that I want to work on.

Improvisation is a compositional method.

A kind of synthesis, but with some elements that perhaps you wouldn't have expected in advance. I always like that when that happens, when something comes that is more than the sum of the parts.