<Tr> <Td_colspan="2"> "Medley: Aquarius / Let the Sunshine In (The Flesh Failures)" <Ul> <Li> file </Li> <Li> help </Li> </Ul> </Td> </Tr> <Ul> <Li> file </Li> <Li> help </Li> </Ul> <P> "Medley: Aquarius / Let the Sunshine In (The Flesh Failures)" (commonly called "Aquarius / Let the Sunshine In", "The Age of Aquarius" or "Let the Sunshine In") is a medley of two songs written for the 1967 musical Hair by James Rado & Gerome Ragni (lyrics), and Galt MacDermot (music), released as a single by American R&B group The 5th Dimension . The song peaked at number one for six weeks on the US Billboard Hot 100 pop singles chart in the spring of 1969 . The single topped the American pop charts and was eventually certified platinum in the US by the RIAA . Instrumental backing was written by Bill Holman and provided by session musicians commonly known as the Wrecking Crew . The actual recording is something of a "rarity"; the song was recorded in two cities, Los Angeles and Las Vegas, then mixed together in the studio, afterwards . </P> <P> The song listed at number 66 on Billboard's "Greatest Songs of All Time". </P>

When did the song age of aquarius come out