There is no denying that Paul Simon was the creating force behind Simon & Garfunkel. But Garfunkel’s voice and singing style also contribute a lot to S&G success in folk music genre, with song Bridge Over Troubled Water being a good example.

Ranked accordingly:

3. Homeward Bound from Parsley, Sage, Rosemary and Thyme
https://www.youtube.com/watch?v=7z9wd9bS1FM

2. El Condor Pasa (If I Could) from Bridge Over Troubled Water
https://www.youtube.com/watch?v=pey29CLID3I

1. Sound Of Silence from Wednesday Morning, 3 AM
https://www.youtube.com/watch?v=4zLfCnGVeL4