(FILES) This file photo taken on January 18, 2009 shows US singers Pete Seeger (L) and Bruce Springsteen (R) performing during the We are One Inaugural Celebration at the Lincoln Memorial on January 18, 2009 in Washington, DC. Legendary American folk singer Pete Seeger, known for renditions of songs like “If I had a Hammer” and “Where Have all the Flowers Gone,” has died at the age of 94, US media reported on January 28, 2014. AFP PHOTO / FILES / Mandel NGANMANDEL NGAN/AFP/Getty Images