The Chiffons were an American girl group formed in the early 1960s, known for their catchy pop songs and harmonious vocals. They gained popularity with hits like "He's So Fine," which reached number one on the Billboard Hot 100 chart in 1963. The group was part of the Brill Building music scene, where many successful pop songs were written and produced. The original lineup included Judy Craig, Patricia Bennett, Barbara Lee, and Sylvia Peterson. The Chiffons were notable for their influence on the girl group genre, paving the way for future artists. Their music remains a classic representation of the early 1960s pop sound.