Maryland rapper IDK has teamed with two of his past collaborators, Florida's Denzel Curry and Houston's Maxo Kream, for his great new song "Bulletproof." It's a highlight of his just-released IDK & Friends 2, which is the second installment of his guest-filled IDK & Friends EP series, and this one also doubles as the soundtrack to Showtime's new Basketball County: In The Water, a documentary which "tells the story of Prince George's County, Md., and its social, economic and cultural evolution through the lens of some of basketball's biggest stars."

All three rappers showed up in top form on "Bulletproof" -- IDK is at his most fired-up, Maxo Kream sounds as subtly deadly as ever, and Denzel Curry brings his proto-SoundCloud rap to the song's melodic hook. Listen below.

IDK & Friends 2 also features IDK's recent singles "495" (ft. YungManny, Rico Nasty, Big Flock, Big Jam & Weensey) and "Mazel Tov" (ft. A$AP Ferg), as well as songs with Juicy J, Wale, PnB Rock, and more.


Denzel Curry also just dropped a killer verse on this new Guapdad 4000 track and features in its bonkers video:

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