"No More Tears (Enough Is Enough)" is a 1979 song recorded as a duet by Barbra Streisand and Donna Summer. The song was recorded for Streisand's Wet album and also as a new track for Summer's compilation double album entitled On the Radio: Greatest Hits Volumes 1 & 2. The full-length version was found on Streisand's album, while a longer 11 minute plus version (the 12" version) was featured on Summer's album. The Summer version features additional production by frequent collaborator Harold Faltermeyer, and incorporates a harder rock edge. The single was released on both Casablanca Records (Summer's label) and Columbia Records (Streisand's label) and sales of the two were amalgamated. The versions on the two 7" singles differed slightly however, with different mixes and slightly different b