"Us and Them" is a song by English progressive rock band Pink Floyd on their 1973 album The Dark Side of the Moon. The music was written by Richard Wright and lyrics by Roger Waters and it is sung by David Gilmour, with harmonies by Wright. The song is 7 minutes, 51 seconds in length, making it the longest on the album. "Us and Them" was released as the second single from The Dark Side of the Moon in the US and "bubbled under" the Billboard Hot 100 at #101 for three weeks in March 1974.