George Russell’s own composition “Ezz-thetic” It can be found on 1961’s “Ezz-thetics”.

The producer for the “Ezz-thetics” sessions was Orrin Keepnews and the band was:

George Russell – piano, arranger
Don Ellis – trumpet
Dave Baker – trombone
Eric Dolphy – alto sax and bass clarinet (tracks 2,4, and 6 only)
Steve Swallow – bass
Joe Hunt – drums

[via Curtis Wenzel in St. Paul, Minnesota]