The world changes materially. Science makes advances in technology and understanding. But the world of humanity doesn't change.

Has it struck you that the music which is regarded as the most sublime in western civilization, which is the music of Bach, is called baroque?

People who share the same language, French or Chinese or whatever, have the same vocal cords and emit sounds which are basically the same, as they come from the same throats and lungs.

The only hope is that our civilization will collapse at a certain point, as always happens in history. Then, out of barbarity, a renaissance.

Noises have generally been thought of as indistinct, but this is not true.

First, it doesn't surprise me that traditional music has experienced a kind of exhaustion in the 20th century - not forgetting that many musicians started to look outside the traditional structures of tonality.

I'm very aware of what you're talking about as I was involved with the radio in Africa in the same period as I was doing Concrete - I was doing both at the same time.