Actor Tim Robbins, right, and son Miles Robbins perform at a benefit concert celebrating Pete Seeger's 90th birthday at Madison Square Garden on Sunday, May 3, 2009 in New York. AP Photo logo AP Photo 33 months ago

Actor Tim Robbins, right, and son Miles Robbins perform at a benefit concert celebrating Pete Seeger's 90th birthday at Madison Square Garden on Sunday, May 3, 2009 in New York.