Pink Floyd are an English rock band formed in London in 1965. Gaining an early following as one of the first British psychedelic groups, they were distinguished by their extended compositions, sonic experiments, philosophical lyrics, and elaborate live shows. By 2013, Pink Floyd had sold more than 250 million records worldwide, making them one of the best-selling music artists of all time. The Dark Side of the Moon and The Wall were inducted into the Grammy Hall of Fame,[1] and these albums and Wish You Were Here are among the best-selling albums of all time.