 The group's 1965 album "We Dig Mancini" won a Grammy Award for Best Performance by a Vocal Group.In addition to recording as themselves, the Singers continued to perform as backup singers in Nashville.Using Kerr's arrangements, they can be heard on songs by Hank Snow, Brenda Lee, Perry Como, Pat Boone, Rosemary Clooney, Bobby Vinton, Roy Orbison, Willie Nelson, Floyd Cramer, Al Hirt, Ann-Margret, and many other artists.