Ratt is an American heavy metal band that gained prominence in the 1980s. Known for their distinctive blend of hard rock, blues, and glam metal, they played a significant role in the development of the Los Angeles music scene and the broader "hair metal" movement. The band, featuring notable members such as vocalist Stephen Pearcy and guitarist Warren DeMartini, is best known for hits like "Round and Round" and "Lay It Down". Their influential album, "Out of the Cellar," is considered a classic in the glam metal genre.