19 of the original singers on Avicii’s biggest tracks, including Aloe Blacc, Adam Lambert, Alex Ebert, Rita Ora and Joe Janiak, came together with a 30 pc band to perform a two hour headline set of his original music on December 5 at the Friends Arena in Stockholm – in front of 58.163 fans! – for the Avicii Tribute Concert for Mental Health Awareness. The Avicii Tribute Concert for Mental Healt...