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
Las Vegas in the 1950s on 10 January 1957. The Tropicana opened on 3 April 1957 at the Tropicana – Las Vegas Boulevard intersection. In 1955, Ben Jaffe, an executive of the Fontainebleau Miami Beach, came to Las Vegas and bought a 40-acre parcel at the corner of Las Vegas Boulevard and Bond Road (now Tropicana Avenue). Jaffe aimed to build the finest hotel in Las Vegas, featuring a Cuban ambience, with four room themes for guests to choose from: French Provincial, Far East, Italian Renaissance, and Drexel. Construction ran over schedule and over budget, due in part to competition for labor with the under-construction