Wouter André "Wally" De Backer, known professionally as Gotye, is an Australian singer-songwriter and multi-instrumentalist. His 2011 single "Somebody That I Used to Know" topped the Billboard Hot 100, as well as several international charts, and became the best-selling song of 2012. He has won five ARIA Awards and received a nomination for an MTV EMA for Best Asia and Pacific Act. At the 55th Annual Grammy Awards, the song won Record of the Year and Best Pop Duo/Group Performance, while its parent album — Making Mirrors (2012) — won Best Alternative Music Album.