Mase and Cam’ron were Harlem friends before fame. Years later, The Program, The Oracle and their eventual sports-media reunion turned the feud into a full-circle story.

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.

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.

Lil’ Kim and Foxy Brown were once friendly Brooklyn stars. Then debut albums, image comparisons, entourages and industry pressure helped turn them into rivals.

Long before Ether and Takeover, MC Lyte released 10% Dis — a cold early diss track aimed at Antoinette that helped prove women could battle with anyone.

Tupac’s attack on Mobb Deep in Hit ’Em Up crossed a line even by diss-track standards — and Prodigy’s response became part of East Coast–West Coast folklore.

Suge Knight’s “dancing in the videos” speech at the 1995 Source Awards became one of hip-hop’s most infamous public shots at Bad Boy and Puff Daddy.

Common wrote a metaphor about hip-hop changing. Ice Cube and the Westside Connection heard it as a shot at the West Coast — and one of rap’s smartest misunderstandings turned into beef.

OutKast were booed in New York, André 3000 stepped to the mic, and one sentence became a prophecy: the South had something to say.

Jay-Z’s Takeover was surgical. Nas’s Ether was emotional destruction. More than 20 years later, rap fans still argue over which diss really won the war.

Tupac’s Hit ’Em Up was more than a diss record. It was rage, paranoia, revenge, Death Row confidence and East Coast–West Coast tension exploding on wax.

Before Ether, Takeover, Hit ’Em Up and Not Like Us, the Bronx and Queensbridge fought over hip-hop’s birthplace — and KRS-One turned the battle into history.

Dr. Dre mocked Eazy-E on The Chronic, but Eazy came back with Real Muthaphuckkin G’s — a diss that attacked Dre’s image, history and street credibility.

Ice Cube left N.W.A, got mocked by his former group, then came back with No Vaseline — a ruthless solo attack many fans still call the greatest diss track ever recorded.

Before the disses and skits, the Eminem and Insane Clown Posse feud reportedly began with a flyer that listed ICP as appearing “maybe.”

Biggie denied that Who Shot Ya? was aimed at Tupac, but the timing helped turn a B-side into one of the most dangerous misunderstandings in rap history.

A young Canibus asked LL Cool J about the microphone tattoo on his arm. LL took it as disrespect — and one of the strangest lyrical beefs of the late 90s exploded.

At just 14, Roxanne Shanté fired back at U.T.F.O. with Roxanne’s Revenge — and helped turn answer records into one of hip-hop’s defining traditions.

The truth behind one of hip-hop’s most infamous industry myths: Suge Knight, Vanilla Ice, Ice Ice Baby royalties, and the balcony story that refuses to die.