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 single USA number one charting hits — "The Sound of Silence" and the two Record of the Year Grammy winners "Mrs. Robinson" and "Bridge over Troubled Water"— as well as "Homeward Bound", "I Am a Rock", "Scarborough Fair/Canticle", "A Hazy Shade of Winter", "America", "The Boxer" and "Cecilia".
https://en.wikipedia.org/wiki/Simon_%26_Garfunkel