Musician Seeger sings Amazing Grace during a concert celebrating his 90th birthday in New York
Musician Pete Seeger sings Amazing Grace during a concert celebrating his 90th birthday in New York May 3, 2009. The concert at Madison Square Garden has an all-star roster of performers with proceeds to benefit Hudson River Sloop Clearwater, a non-profit corporation founded by Seeger in 1966 to bring environmental attention to the Hudson River Valley. REUTERS/Lucas Jackson (UNITED STATES ENTERTAINMENT)