Mac Miller has had a crazy year. Still independent, he was the first artist in over ten years to land a number one album on the Billboard charts. The last person to do it? Snoop Dogg. There's no magic formula for this kind of success, but it's clear that Mac's loyal fan base played a huge role in his rise to mainstream popularity. Watch the reactions as he closes out his Blue Slide Park tour in his hometown of Pittsburgh.

[via MTV]