Click to correct the pronoun if needed.

Paul Simon and Art Garfunkel, a musical duo popular during the 1960s, are best known for their hits The Sound of Silence, Mrs. Robinson, and Bridge Over Troubled Water.

Paul Simon and Art Garfunkel, a musical duo popular during the 1960s, are best known for their hits The Sound of Silence, Mrs. Robinson, and Bridge Over Troubled Water. (No pronoun correction needed.)