Simon & Garfunkel were an American folk rock duo comprising the singer-songwriter Paul Simon and the singer Art Garfunkel. They were one of the best-selling music acts of the 1960s. Their most famous recordings include three US number ones: "The Sound of Silence" (1965) and the two winners of the Grammy Award for Record of the Year, "Mrs. Robinson" (1968) and "Bridge over Troubled Water" (1970). https://en.wikipedia.org/wiki/Simon_%26_Garfunkel