Much more than just a tribute act, seven-piece band Hejira, a collective of highly-experienced jazz musicians, interpret the music of legendary singer-songwriter Joni Mitchell in their own unique way. Named after Joni’s 1976 album, Hejira comprises singer/guitarist Hattie Whitehead, saxophonist Ollie Weston, keyboard player Chris Eldred, guitarist Pete Oxley, bass player Dave Jones, drummer Rick Finlay and percussionist Marc Cecil. Pete Oxley is also the bandleader. “I’ve known the album Hejira for decades, and loved it,” says the seasoned musician, who also runs The Spin Jazz Club in Oxford. …