The single version of "Island" (a different recording from the album version, with faster tempo, more overdubbed backing vocals, and no classical themes at the end) was backed with a non-LP B-side, "The Sea."

Some CD editions of the album include both of these tracks.

All tracks are written by Keith Relf and Jim McCarty, with themes by John Hawken and Louis Cennamo, except where notedRenaissance was initially released in the UK in 1969 by Island Records as catalogue ILPS-9114; it was also released in America on Elektra as EKS-74068, and by Island in Germany as 87 609 ET.

In 1998, Renaissance was reissued by Mooncrest Records in the UK as Innocence.

Besides "Island" (single version) and "The Sea" (see above), there were the following:[4][5] On 29 November 2010, Esoteric Recordings released a remastered and expanded edition (including both sides of the band’s first single).