John Cafferty and the Beaver Brown Band, also known as "Eddie and the Cruisers," is an American rock band that gained significant popularity in the 1980s. Their music, heavily influenced by the styles of Bruce Springsteen and the E Street Band, is characterized by strong rhythm and blues undertones. The band achieved mainstream success with their hit songs "On the Dark Side" and "Tender Years," which were featured prominently in the Eddie and the Cruisers film series. Despite their limited discography, their distinctive rock sound has left a lasting impression on the 80s music scene.