The rapper used DDP's diamond hand gesture to promote his Roc La Familia album ... Lots of stuff that directly resulted in Jay-Z making money from something DDP had created a decade prior.

With his hands in a number of profitable ventures ... "It always broke that notion that an artist can't think about money as well." Jay-Z's music career spans across three decades and includes ...

Jay-Z was named in a sexual assault lawsuit last year, which was later dropped. Now, he’s filed his own lawsuit against the accuser.

Jay-Z sues his accuser, Drake's lawyers cite Kendrick Lamar's Super Bowl halftime show and more music law news involving Cardi B, A$AP Rocky and more.