Photo via Wikimedia Commons under creative common license
Performing together at the concert, the duo of Simon and Garfunkel sing Bridge Over Troubled Water.
On this day in 1970, Simon and Garfunkel started a six week run at number one on the U.S. singles chart with Bridge Over Troubled Water. Also, in the year prior they reached number one in the U.K. Bridge Over Troubled Water became of the most performed songs in twentieth century, with over 50 artists covering the song.