The Alley Cats are an American doo-wop group known for their a cappella renditions of hit songs from the 1950s and 60s. Their lineup includes original members Armando Fonseca and Royce Reynolds, as well as later additions Andre Peek and Sean Devine. The band's distinctive harmonies and nostalgic sound, showcased in their popular albums like "Cat's Meow" and "Strike 3!", have made them a significant force in the revival of the doo-wop genre. Their performances, which combine music with elements of comedy, have allowed The Alley Cats to sustain a successful career in both music and theater since the 1980s.