The Moonglows was one of the most successful Doo Wop groups of the 50’s, and one-time member, Marvin Gaye, became one of the most successful solo artists of the 60’s and 70’s with such classics as “I Heard It through the Grapevine,” which was Motown’s best-selling 45 of the 60’s. His most successful hit prior to that was “How Sweet It Is (To Be Loved By You)”. The “How Sweet It Is” 45 can now sell for $30.00. The album, released on Tamla Records in 1965, can get you $200.00 today.