Conversation so far:
What was the new york phase?
After the move to New York, Sun Ra and company plunged headlong into the experimentalism.
what is expermentalism?
The music was often extremely loud and the Arkestra grew to include multiple drummers and percussionists.
What are some other interesting aspects about this article?
Though often associated with avant-garde jazz, Sun Ra did not believe his work could be classified as "free music".

Question: What is free music?
Self-contained rewrite: What is free music as labelled by Sun Ra