Metallica bassist Robert Trujillo joined Rodrigo y Gabriela for their encore on August 17, 2014 at Red Rocks Amphitheatre in Morrison, CO to perform a tribute to Metallica, featuring -"Orion""For Whom The Bell Tolls""The Frayed Ends of Sanity""Battery"www.rodrigoygabriela.comwww.metallica.comEditing by www.finecutvideos.com