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.

It's ridiculous that time and time again we need a radioactive cloud coming out of a nuclear power-station to remind us that atomic energy is extraordinarily dangerous.

The moment at which music reveals its true nature is contained in the ancient exercise of the theme with variations. The complete mystery of music is explained right there.

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

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

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

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?