Collecting eight albums from the early to late '60s, this generous four-CD set surveys the groundbreaking work of trumpeter, composer, and bandleader Don Ellis, tracing his evolution from post-bop experiments with shifting metric structures into large-ensemble innovation infused with global rhythms, expanded instrumentations, and a fiercely exploratory imagination.

Revisiting and remastering two albums from Paul Bley's formative trio years with Steve Swallow on double bass and Pete LaRoca Sims on drums, recorded in Newark, NJ, from 1962-63 but unreleased until the 1980s on Savoy Jazz, as Bley explores Carla Bley's compositions alongside his own, reshaping the piano trio dynamic with a balance of free and lyrical approaches to jazz.

Essential to any collection charting the transition from Birth of the Cool era jazz to the modern explosion of harmonic and compositional forms, are pianist George Russell's two most essential albums from 1961 & 1962--Ezz-thetics and The Stratus Seekers--in a sextet & septet including Eric Dolphy, Don Elliss, Steve Swallow, &c., remastered to reveal their vital clarity.

Reissuing clarinetist Jimmy Giuffre's 1963 Columbia album Free Fall, presenting trio performances with bassist Steve Swallow and pianist Paul Bley recorded after their 1961 European tour, along with duos between Giuffre and Swallow and several solo tracks from the clarinetist himself, propelling himself and his band into his sophisticated, risk-taking chamber jazz compositions.

After introducing his new trio with pianist Paul Bley and double bassist Steve Swallow in two 1961 albums on Verve, clarinetist Jimmy Giuffre embarked on a tour of Europe, this recently discovered, well-recorded concert in Graf, Austria the perfect example of his unique concepts yielding intensely focused, harmonically challenging, rhythmically abstract, and exquisite chamber jazz.