Gladys Knight & the Pips routines that became a signature of the Pips' stage presentation; Atkins later described his working and personal relationship with the group in his autobiography, "Class Act: The Jazz Life of Choreographer Cholly Atkins": "The one thing that I was pleased about was a stipulation in my contract that allowed me to keep working with Gladys Knight & the Pips as personal clients even though I would be an employee of Motown Records. To tell the truth, Gordy wasn't too happy about it at first, but this is something that I would not compromise under any circumstances. By that time, Gladys
Backing track string sections which would be costly to reproduce live.) A singer or vocal group performing without a backup band may sing along to pre-recorded music. A music track without lead vocals may also be called a karaoke, minus-one track or playback. Music backing tracks are also available for instrumental practice and jamming by jazz musicians, to help beginning to intermediate performers play to a song's rhythm part or learn to improvise over chord progressions. Backing tracks are also known as jam tracks. If bought commercially, backing tracks often use session musicians to play the instruments and backing vocals, rather than