AfterGeorge Colemanleft the Miles Davis Quintet, tenor-saxophonistSam Riverstook his place for a short period including a tour of Japan. Davis did not care forRivers's avant-garde style (they failedto develop any chemistry) and soon replaced him, but this live LP (originally only issued inJapan)survivedto document this brief association. The music (five lengthy versions of standards)isactually of highquality with both Davis andRiversin fine form and the youngrhythmsection (pianistHerbie Hancock, bassistRon Carter, and drummerTony Williams) pushing the trumpeter/leader to open up his style.