Philly's own Lil Uzi Vert has been creating major buzz during the past few months with his mixtape Lil Uzi Vert vs. The World. Lately, Lil Uzi has been busy knocking out some features. He teamed up with Wiz Khalifa for the 808 Mafia produced track "Roll Up" and also joined Sosamann and Sauce Walka on "Dripping and Saucin'." This weekend, however, Lil Uzi blessed his fans with a solo track. Calling on frequent collaborat Maaly Raw, Lil Uzi lowers the weather on "$UB ZERO" while he boasts of his icy chains and money.