Out of doing all that experimentation with sound I decided I wanted to do it with live musicians. To take repetition, take music fragments and make it live. Musicians would be able to play it and create this kind of abstract fabric of sound.

It can be found when listening to the fictional radio station "The Journey". Produced and directed by Robert Ashley. Techniques
Riley's music is usually based on improvising through a series of modal figures of different lengths such as in In C (1964) and the Keyboard Studies.

His work has been deeply influenced by both jazz and Indian classical music.