Building Bridges was the official theme song of the Eurovision Song Contest 2015 in Vienna. It was performed by 2014 winner Conchita Wurst along with 2015 presenters Alice Tumler, Mirjam Weischelbaum and Arabella Kiesbauer, the Vienna Boys' Choir, Suparar Children's Choir, rapper Left Boy and the ORF Radio Symphony Orchestra under the name The ESC Vienna All-Stars.