Finally, ultimately, you write music for yourself. I mean, I need a public, I need people to play, I need everything else. I'm not working in isolation. But finally the man that writes the music is alone. And I have to respond to those criteria which are almost like inner needs or inner responses.

I don't know that I make a big distinction between the big pieces and the little pieces, because I don't experience them in that way. I mean, by the same token, you're out touring with a band and then you're writing string quartets, and in a funny way, isn't it all the same, in a way? It's all just music.

I shift between mediums very frequently. Instead of taking a break from writing, I just write in a different medium or in a different way or for a different purpose, so that I don't actually stop writing - I just go to something else. Like going from a big symphony to a piano piece is great and very refreshing, I find. And then going from that to a big concerto, and then having to go out and play.

I think I'm really part of a whole generational movement in a way. I think a lot of other people since and during this time have gotten interested in writing what we can still call experimental music. It's not commercial music. And it's really a concert music, but a concert music for our time. And wanting to find the audience, because we've discovered the audience is really there. Those became really clear with Einstein on the Beach.

You practice and you get better. It's very simple.

Traditions are imploding and exploding everywhere - everything is coming together, for better or worse, and we can no longer pretend were all living in different worlds because were on different continents.

But the difference between the little pieces and the big pieces - I'm not actually sure which are the little pieces. With some of the big pieces, it's a lot of musical running around, whereas the little pieces, you can say everything you want to say.