Years Active: 2008-present
Label: Rostrum Records
Best Known Song: "Donald Trump"

Being 20 years old is all about breaking rules. So it makes perfect sense that Mac, the 20-year-old Pittsburgh native, would avoid the major labels' help, buck tradition and stay independent for his debut album, Blue Slide Park, which shot straight to the top of the Billboard charts. Mac followed that up with another departure from the norm, putting out the experimental mixtape Macadelic, and touring the country off its success. Future plans include an EP with Pharrell and a project with Cam'Ron. Look for Mac to keep driving down the road less traveled—in a brand new tour bus