Nine of the most popular covers by these YouTube superstars whose video mashups featuring creative piano and cello arrangements have brought them a worldwide audience. This collection features piano solo arrangements with an optional cello part for the songs: Bless the Broken Road / Fight Song / Jesu, Joy of Man's Desiring / Line upon Line / Say Something / A Sky Full of Stars / Thinking Out Loud / What Are Words / When You Say Nothing at All.