Paul Simon honors 9/11 victims with moving 'Sound of Silence' performance

To honor the memory of those who lost their lives on Sept. 11, music legend Paul Simon played his classic song "Sound of Silence" for the crowd of mourners and the observers at the dedication of the 9/11 memorial.

Many mouthed the words, some cried and others quietly reflected on what happened 10 years ago Sunday.

Here's the video...