Best New Tracks: Migos, Cardi B, A$AP Rocky, Rae Sremmurd, Pharrell, Flatbush Zombies and More

For the latest in our best new music roundup series, we take a look back at another stellar week of tunes that was dominated by new albums from music's hottest acts. In addition, the week also saw some unlikely collaborations like Justin Bieber and Jay Electronica who strangely teamed up on a track called "Hard 2 Face Reality" that was actually quite impressive. Meanwhile, Cardi B and Kali Uchis both dropped their respective long-anticipated debut albums this week, as well as controversial rappe...