The London Calling Group is a British punk rock band formed in 1976, known as The CLASH. The group was composed of Joe Strummer, Mick Jones, Paul Simonon, and Topper Headon. They are considered one of the most influential bands of the punk era, and their music has been credited with helping to shape the sound of punk rock. The CLASH released six studio albums, including their debut album, London Calling, which was released in 1979 and is widely regarded as one of the greatest albums of all time.