Paul Simon

Cellist Yo-Yo Ma and the singers James Taylor and Paul Simon were among those participating in the Sept. 11 anniversary commemoration at the World Trade Center site.

Ma performed a piece by Bach, while Taylor sang "You Can Close Your Eyes" and Simon performed "The Sound of Silence."

Other musical elements in the commemoration included the Brooklyn Youth Chorus and bagpipers from the Fire Department, Police Department and the Port Authority.