The ebullient song was composed by the Motown writing team known as The Corporation, with Alphonso Mizell, Freddie Perren, Deke Richards and Berry Gordy himself.
Never shy of a little chutzpah, Motown announced that the soon-to-be-solo Diana had discovered the label's new quintet herself.
Only a year after Gladys Knight and the Pips took it to the top of the R&B chart, Marvin made 'I Heard It Through The Grapevine' his for keeps.
The best Motown songs are timeless soul classics that capture everything it means to be in love, to suffer heartbreak – and to want to dance with abandon.
Bobby Taylor, who had late 1960s success on Motown with the Vancouvers and was the first producer and early champion of the Jackson 5, died 22 July 2017.