The changes for “Hejira” as performed by Joni Mitchell 72 BPM/ Duration 6:40. Arrangement similar to record version. 4 different mixes come in this purchase. Bass/ Damian Erskine. The original track is available to listen to and purchase at itunes or Amazon.
A backing track is an audio recording on audiotape, CD or a digital recording medium or a MIDI recording of synthesized instruments, sometimes of purely rhythmic accompaniment, often of a rhythm section or other accompaniment parts that live musicians play along with or sing along to.