LaKeith Stanfield, who plays Bug in the film, is depicted as a member of the Bloods gang. In the NWA biopic Straight Outta Compton (2015), Keith portrays Snoop Dogg, who is affiliated with the Crips. Both films were released in 2015 and deal with themes about early 90s hip-hop in LA.
The trivia item below may give away important plot points.
When Austin Jacoby (Roger Guenveur Smith) asks Malcolm (Shameik Moore) what rap artist's CD he would buy online, Malcolm responds "Casey Veggies". Casey Veggies appears in the film as the rapper on stage performing at Dom's party.