Bruce Springsteen delivered a surprise performance at the 20th anniversary memorial ceremony for 9/11 in New York earlier today – watch it below.Families of the victims of the terrorist attacks that killed nearly 3,000 people back in 2001 gathered at the 9/11 memorial plaza in Lower Manhattan this morning (September 11) to pay tribute.The Boss performed an acoustic rendition of ‘I’ll See You in My Dreams’, a song taken from his 2020 album, ‘Letter To You’.Appearing at the ceremony following a