Once music ceases to be ephemeral - always disappearing - and becomes instead material... it leaves the condition of traditional music and enters the condition of painting. It becomes a painting, existing as material in space, not immaterial in time.

The philosophical idea that there are no more distances, that we are all just one world, that we are all brothers, is such a drag! I like differences.

So I believe in singing to such an extent that if I were asked to redesign the British educational system, I would start by insisting that group singing become a central part of the daily routine. I believe it builds character and, more than anything else, encourages a taste for co-operation with others. This seems to be about the most important thing a school could do for you.

With devices my technique is always to hide the handbook in the drawer until I've played with it for a while. The handbook always tells you what it does, and you can be quite sure that if it's a complex device it can do at least fifteen other things that weren't predicted in the handbook, or that they didn't consider desirable. It's normally those other things that interest me.

The whole point of art, as far as I’m concerned, is that art doesn’t make any difference. And that’s why it’s important. Take film: you can have quite extreme emotional experiences watching a movie, but they stop as soon as you walk out of the cinema. You can see people being hurt, but even though you feel those things strongly, you know they’re not real.

As soon as you externalize an idea you see facets of it that weren't clear when it was just floating around in your head.

In the 1960s, people were trying to get away from the pop song format. Tracks were getting longer, or much, much shorter.