From the time of his first Blue Note recording in 1964 to his final session for the label in 1967, Sam Rivers made stunning progress as an avant-garde innovator. Starting with an inside/outside hard bop foundation, Rivers quickly took his music as far out as he could while maintaining a recognizable structure; his work fearlessly explored wildly dissonant harmonies and atonality, dense group interaction, cerebral rumination, and passionately intense, free-leaning solos.
Benny Goodman took some stylistic chances during his 11-year tenure with Capitol. He listened closely to, then flirted with, bebop during this time, not altering his own swing-based playing but inserting it into a bop framework. He also played traditional swing in various small groups. The sessions covered on this most recent Mosaic four-disc (six-album) set were originally issued on a number of 10" and 12" albums, as well as the CDs BG in Hi Fi and The Benny Goodman Story, a Japanese issue.