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
Diana Ross & the Supremes Join The Temptations as a duet with Tammi Terrell, "Ain't No Mountain High Enough". "This Guy's in Love with You" was a hit for both Dionne Warwick and Herb Alpert & the Tijuana Brass, while "Funky Broadway" had been recorded as a hit for Dyke & the Blazers and Wilson Pickett. The Sweet Inspirations' signature song, "Sweet Inspiration", is also covered here, as is Stevie Wonder's "A Place in the Sun", The Four Tops' "Then", and the show tune "The Impossible Dream" from "Man of La Mancha". Frank Wilson served as executive producer of the project. "Diana Ross & the Supremes Join the