2015 has come and gone in a flash and it was an exciting year in music on many fronts. Apart from the senseless tweet squabbles between various artists for publicity stunts and Kanye’s announcement that he’s running for President in 2020, there were several moments that will shape the music ecosystem for years to come. The industry is still scrambling to catch up with the massive changes in listening habits and the fallout has been painful to watch at times. More than anything else, last year was about the changing of the guard. Old institutions becoming less relevant, streaming services wielding more power (and battling it out amongst themselves), and top-selling artists flexing their own muscles in answer.