A 23-minute epic by psychadelic act Pink Floyd. It's featured on their 1971 album Meddle and is considered by fans the point in which they found the sound they were best known for in albums like The Dark Side of the Moon and Wish You Were Here. It takes up the entire b-side of the album. Also the title of their greatest hits album Echoes: The Best of Pink Floyd (The song is featured on that compilation but is shortened to only thirteen minutes).
You haven't heard Pink Floyd until you've heard Echoes.
