2. Paul Simon ($75 million)
One half of Simon and Garfunkel, Paul Simon has written a phenomenal number of excellent songs like Mrs. Robinson, Sound of Silence, and Bridge Over Troubled Water.
After splitting from Art Garfunkel in 1970, he went on to have a successful solo career, releasing the song Graceland.
This song sold 14 million copies worldwide, becoming his best-selling solo single.