Half of classical chart-topping duo 2Cellos, Croatian cellist Stjepan Hauser is known for his crafty reworkings of both popular classical repertoire and pop/rock tunes for solo and duo cello. His 2010 solo debut Song to the Moon featured cello versions of pieces ranging from Saint-Saëns' The Swan to Ennio Morricone's "Gabriel's Oboe" (from The Mission) before he teamed up with Luka Šulić for 2Cellos' 2011 eponymous debut, a Billboard classical number one. As 2Cellos continued their run at or near the top of the classical and classical crossover charts while touring arenas, Hau...