Just before joining Weather Report in 1976, Jaco PastoriusJaco Pastoriusジャコ・パストリアス appeared on Joni MitchellJoni Mitchellジョニ・ミッチェル's Hejira. His fretless bass harmonics brought a jazz harmonic sensibility into the folk/pop singer-songwriter's music. The encounter set Mitchell on a path toward collaborations with Charles Mingus and Wayne Shorter, becoming the turning point toward her jazz period.
