Milt Jackson introduced the vibraphone to bebop—dig his piquant counterpoint to Dizzy Gillespie's foundational “The Champ”—and helped John Lewis fuse classical ideas within Modern Jazz Quartet. He routinely brought a cool fire to everything he played on: He bridged melody and harmony alongside Miles Davis on the ‘50s gem “Bitty Ditty”, and navigated the ‘70s soul crossover of Stanley Turrentine on “Speed Ball”.