Ain't No Mountain High Enough

Dianna Ross

Former Supreme Diana Ross has her first U.S. No. 1 single as a solo artist (No. 6 U.K.) with "Ain't No Mountain High Enough". The song had been previously recorded as a duet by Marvin Gaye and Tammi Terrell, and had also been on a 1968 Supremes and Temptations album.