ainment in bars, on cruise ships and at such events as weddings, family celebrations and corporate functions. Since the advent of inexpensive computers, some cover bands use a computerized catalog of songs, so that the singer can have the lyrics to a song displayed on a computer screen. The use of a screen for lyrics as a memory aid can dramatically increase the number of songs a singer can perform. Revivalist artists or bands are performers who are inspired by an entire genre of music and dedicate themselves to curating and recreating the genre and introducing it to younger audiences who have not experienced that music first hand. Unlike tribute bands and cover bands who rely primarily on audiences seeking a nostalgic experience, revivalist bands usually seek new young audiences for whom the music is fresh and has no nostalgic value. For example, Sha Na Na started in 1969 as a celebration of the doo-wop music of the 1950s, a genre of music that was not initially fashionable during the hippie counter-culture era. The Blues Brothers started in 1978 as a living salute to the blues, soul and R&B music of the 1950s and 1960s that was not in vogue by the late 1970s. The Blues Brothers' creed was that they were "on a mission from God" as evangelists for blues and soul music. The Black Crowes formed in 1984, initially dedicated to rev
