Prelude (The Moody Blues album)
 Prelude is a 1987 Moody Blues compilation album consisting of non-album singles and rarities. Tracks 1-5 were previously released on singles in 1967 prior to the release of Days of Future Passed. They are the first Moody Blues releases to feature Justin Hayward and John Lodge. Track 6 A Simple Game was later recorded by the Four Tops and (as Simple Game) went to #3 in the UK charts in 1972. Tracks 7-11 formed the +5 portion of the 1977 Caught Live + 5 album.