Tim Bergling, better known by his stage name Avicii, is a Swedish electronic musician, DJ, and record producer. Some of his achievements include being ranked in the top 3 of DJ Mag's Top 100 DJs poll from 2011-2013, receiving two Grammy nominations, and becoming the first DJ to headline Radio City Music Hall in New York City in 2012. Avicii actively engages with his fans through social media like Twitter and Facebook, where he posts about upcoming concerts, shares fan photos, and holds contests. He has also released the album True in 2013 and has collaborated with artists such as David Guetta, Lenny Kravitz, and Madonna.