Pink Floyd. An English Rock Band that achieved international success with their progressive and psychedelic rock music marked by the use of philosophical lyrics, sonic experimentation, and elaborate live shows. One of the most commercially successful and influential rock groups in the history of popular music, they have sold over 250 million records worldwide, including 74.5 million certified units in the United States. USA Rock and Roll Hall of Fame in 1996. UK Music Hall of Fame in 2005.