These two cellists took a page out of Marty McFly’s playbook. An18th century audience might not be ready for this music, but their great-great-great-grandkids are going to love it! You won’t believe this epic rock & roll cello performance. Click here to see their moving performance of U2’s “With or Without You.”

Watch next video A lovely and epic take on U2's ballad 'With or Without You'