Newly discovered live sessions keep escaping from the vaults. Mike and Pat take on plums from Davis and Jarrett, then linger over what may be Jimmy Smith's most . . . memorable two hours on tape. Miles Davis – AT NEWPORT DISCS 1 & 2; Jimmy Smith – GROOVIN' AT SMALLS' PARADISE (2D); Keith Jarrett – SLEEPER (2D): John Hicks – LIVE AT MAYBECK RECITAL HALL.