<Tr> <Th> Songwriter (s) </Th> <Td> Roger Waters, Richard Wright, Nick Mason, David Gilmour </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Pink Floyd </Td> </Tr> <P> "Echoes" is a composition by Pink Floyd including fully extended instrumental passages, continuous sound effects, and musical improvisation . Written in 1970 by all four members of the group, "Echoes" provides the extended finale to Pink Floyd's album Meddle . The track has a running time of 23: 31 and comprises the entire second side of the vinyl and cassette recordings . </P> <P> It also appears in shortened form as the fifth track on the compilation album which took its name, Echoes: The Best of Pink Floyd . The composition was originally assembled from separate fragments, and was later split in two parts to serve as both the opening and closing numbers in the band's film Live at Pompeii . The song was used to open the band's 1987 A Momentary Lapse of Reason Tour after not being played for over a decade, but was retired again after 11 shows . It was revived for Gilmour's 2006 On an Island Tour, where it was performed at every show . Live versions were released on Gilmour's albums Live in Gdańsk and Remember That Night . </P>

Who wrote the lyrics to echoes by pink floyd