Answer: Judy Garland, Fred Astaire and Peter Lawford
Explanation:Easter Parade (film) Easter Parade is a 1948 American musical film starring Judy Garland, Fred Astaire and Peter Lawford, featuring music by Irving Berlin, including some of Astaire and Garland's best-known songs, such as Easter Parade, Steppin' Out with My Baby, and We're a Couple of Swells.
The correct term is a session musician. Session musicians are professional hired musicians that are used normally on a short term basis in the studios to help record albums they are also used for live performances as the backing musicians so for example in a jazz combo on stage.
