Cover Bands are also popularly knows as Function Bands or Wedding Bands. Cover Bands or Cover Musicians are generally bands or soloists that perform music hits from all decades. They are often used as the main entertainment for the evening for most parties and events that have live music as the focus. Cover bands are most often seen in pubs, commercial music clubs, weddings, bar mitzvahs, birthday parties, annual dinners and award ceremonies. Generally most bands are cover bands and account for more than 90% of gigs all around the world. The basic instrumentation of a cover band is a drum kit, bass guitar, keyboard, rhythm/lead guitar and a lead vocalist. The first brass instrument added is usually the Saxophone. Over the years cover bands have evolved to various smaller formats with the modern keyboard or drum machine replacing the bassist and drummer.