When Graduation and Curtis dropped on the same day, Kanye West and 50 Cent turned first-week sales into a cultural referendum on where rap was heading.

The Game entered through G-Unit, then clashed with 50 Cent over loyalty, credit, feuds and identity. The result was one of rap’s biggest crew breakups.

Before diss tracks became albums, streams and memes, Kool Moe Dee battled Busy Bee and helped change what MCs were expected to do on the microphone.

Kool Moe Dee saw LL Cool J as a younger star borrowing from old-school foundations. LL answered with hits, confidence and one of rap’s earliest generational battles.

Cardi B and Nicki Minaj’s feud moved from songs and interviews to a New York Fashion Week altercation — and turned female rap rivalry into tabloid spectacle.