The retrospective glance is a relatively easy gesture for us to make.

The rhythms of nature - the sounds of wind and water, the sounds of birds and insects - must inevitably find their analogues in music.

I am certain that most composers today would consider today's music to be rich, not to say confusing, in its enormous diversity of styles, technical procedures, and systems of esthetics.

Perhaps many of the perplexing problems of the new music could be put into a new light if we were to reintroduce the ancient idea of music being a reflection of nature.

The advent of electronically synthesized sound after World War II has unquestionably had enormous influence on music in general.

The development of new instrumental and vocal idioms has been one of the remarkable phenomena of recent music.

Perhaps two million years ago the creatures of a planet in some remote galaxy faced a musical crisis similar to that which we earthly composers face today.