http://www.apassion4jazz.net/old-for-gig.html -------------------------- A term used in popular styles of music (jazz, rock and roll etc.) to indicate a performance or employment. So to play a gig means to perform with an ensemble. This term was probably first used around 1905, but has definite references beginning in 1915. Today, this slang term is often used generically for employment or a job in any vocation.