Sonny & Cher were an American pop and entertainment duo in the 1960s and 1970s, made up of spouses Sonny Bono and Cher. The couple started their career in the mid-1960s as R&B backing singers for record producer Phil Spector. From Wikipedia
Judge rules in favor of Cher, awarding over $418,000 in unpaid royalties from Sonny Bono's widow
