Today Avicii surprised the dance music world with an Instagram post and sample of a new track. The track starts off in the folksy manner which his last album shocked on its initial public hearing at the Ultra Music Festival before the beat drops in as you would expect. With hastags in the Instagram post of #friendofmine #withoutyou #lonelytogether #youbelove #whatwouldichangeitto #noparticularorder, speculation is those are the names of some of the upcoming tracks. Give the track sample a listen: