Someday We'll Be Together with Diana Ross singing lead on the 1960s decennial finale of "The Ed Sullivan Show" that aired live Sunday, December 21, 1969 on CBS. "Someday We'll Be Together" was the final number at Diana Ross & the Supremes' farewell concert on January 14, 1970 at the Frontier Hotel in Las Vegas. After the completion of the show, Jean Terrell was presented onstage to the audience as Diana Ross' replacement (alongside Wilson and Birdsong). Thus "Diana Ross & the Supremes" officially split apart, becoming "Diana Ross" (the solo act) and "The Supremes" (the group). Ross reunited with Wilson and Birdsong in
Farewell (The Supremes album) Gordy angrily replied he would "wash his hands of the group", and hung up the telephone receiver. The Supremes enjoyed a number of hits following Ross' departure, including "Up the Ladder to the Roof", "Stoned Love", "River Deep – Mountain High" (with The Four Tops), "Nathan Jones", "Floy Joy", "Automatically Sunshine", and their last Top 40 Billboard Pop Chart hit in 1976, "I'm Gonna Let My Heart Do the Walking"—although promotion and backing from Motown decreased. The Supremes carried on through the middle of the decade, briefly enjoying disco hits, concert touring, and television appearances, before finally disbanding officially in