The combined star power of four of the biggest names in the business, Jay-Z, Kanye West, T.I. and Lil Wayne, was on display, and Brandy released her first single on this day in hip-hop history.
This day in hip-hop history includes the release of Mary J. Blige's debut record, EPMD's classic Business Never Personal and LL Cool J's standoff with a shark.
The legendary annual concert has been the setting for some of hip-hop's most notorious moments. We take a look back at 25 of the most jaw-dropping moments from Summer Jam.