Gladys Knight & the Pips Knight & the Pips embarked on their final tour in 1988 and disbanded upon its conclusion, as Gladys Knight decided she wanted to pursue a solo career, ending a 37-year tenure. Following the group's amicable disbandment in 1989, Edward Patten and William Guest formed their own production company in Detroit, titled Guest and Patten Productions, later renamed the Crew Entertainment Company. Patten was diagnosed with diabetes, which led to amputations on his legs and being confined to a wheelchair. He later died of complications from the disease on February 25, 2005 in Livonia, Michigan. William Guest continued to lead the
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