"Ain't No Mountain High Enough" is a unreleased cover by the Jackson 5.
Background[]
The track's title was first discovered through the Michael Jackson: For The Record book. According to the release, "Ain't No Mountain High Enough" is a cover of a song by Marvin Gaye and Tammi Terrell, recorded sometime in the 1970s. No further information about the track or it's history is available other than it was written by Nick Ashford and Valerie Simpson.[1]