Before his experimental, culturally absorbing large band work in the late 60s and 70s, trumpeter Don Ellis released these two excellent quartet albums featuring his own compositions, particularly the side-long work "Improvisational Suite 1", in bands with Jaki Byard, Ron Carter & Charlie Persip (How Time Passes) and with Paul Bley, Gary Peacock and either Gene Stone or Nick Martinis (Essence).

Arriving in NY in 1959, saxophonist, flute & bass clarinetist Eric Dolphy joined some of the finest avant jazz players, releasing his 1st album as a leader in 1960--Outward Bound--with Freddie Hubbard, Jaki Byard, George Tucker & Roy Haynes; subsequently tagged as an anti-jazz musician, it would be 4 years before his masterwork Out To Lunch would be released, both albums here reissued & remastered.