After this success Whitfield again wanted Gordy to release Gaye's "Grapevine" as a single, but Gordy did not want to release another version after the Pips had already made a hit out of it. In September 1968, Whitfield added "Grapevine" to Gaye's new album "In the Groove". On release "Grapevine" became a radio hit and, according to Gordy himself, "The DJs played it so much off the album that we had to release it as a single". So Gaye's version was released as a single on October 30, 1968. Gaye's "I Heard It Through the Grapevine" eventually outsold the Pips', and until The Jackson 5's "I'll Be There" 20 months later, was the biggest hit single of all time on the Motown label. It stayed at the top of the "Billboard" Pop Singles chart for seven weeks, from December 14, 1968, to January 25, 1969. Gaye's "Grapevine" also held number one on the R&B chart during the same seven weeks, and stayed at number one in the United Kingdom for three weeks starting on March 26, 1969. The label was pleased with the success, although Gaye, depressed because of issues such as the illness of singing partner Tammi Terrell (which would kill her less than a year later), was quoted as saying that his success "didn't seem real" and that he "didn't deserve it".