Les Maguire Les Maguire Leslie Charles "Les" Maguire (born 27 December 1941, Wallasey, Cheshire) is an English pianist. Maguire started his career, playing tenor saxophone in a Liverpool pop group, the Vegas Five, which later changed its name to the Undertakers. Maguire later left in order to join the Merseybeat group, Gerry and the Pacemakers, replacing the group's original pianist, Arthur MacMahon. In 1961, the Beatles and Gerry and the Pacemakers merged to become the 'Beatmakers', for a one-off performance in Litherland Town Hall. The line-up comprised Gerry Marsden, George Harrison, Paul McCartney, John Lennon, Les Chadwick, Pete Best, Freddy Marsden, plus
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