The Crystals were an American girl group formed in the early 1960s, known for their influential role in the pop and rock music scene. They were part of the Brill Building sound, characterized by catchy melodies and polished production. Their most famous hit, "He's a Rebel," was released in 1962 and became a number one song on the Billboard Hot 100 chart. The group originally consisted of members Darlene Love, LaLa Brooks, Mary Thomas, Beverly Lee, and Patricia Wright. They were produced by the legendary songwriting duo of Phil Spector and Jeff Barry, contributing to their signature sound. The Crystals' music continues to inspire artists today.