“Jimmy Mack” is a 1967 pop/soul single recorded by Martha and the Vandellas for Motown’s Gordy imprint. Written and produced by Motown’s main creative team, Holland–Dozier–Holland, “Jimmy Mack” was the final Top 10 hit for the Vandellas in the United States, peaking at number 10 on the Billboard Hot 100 in 1967 and at number-one on the Billboard R&B Singles chart. – Wikipedia.
Originally recorded in 1964 but rejected by Motown’s quality control, “Jimmy Mack‘” was finally released in 1967 and became a worldwide hit and is now considered one of Motown’s golden classics. This is the mono release version.