Game and Chris Brown cross-genre feud and more.
Scarface and other MCs who put excessive force by police on blast in videos.
Rappers who got too personal in their battles.
You could learn a few things from this academic circle of music stars like Questlove and Swizz Beatz.
KRS-One, MC Lyte and creators of hip hop's call to stop the violence.
The Harlem Shake, the Shmoney Dance, the Wop and more moves that originated in The Big Apple.