DJ Jazzy Jeff, Z-Trip set to judge national DJ competition.
Focus star says he still has the "bug" for hip hop.
The 57th annual awards show was "sobering moment in music and couldn't have come at a worse time."
Essentials from the group's vintage catalog.
The Fresh Prince of Bel-Air premiered on Sept. 10, 1990.
Producer recalls "bittersweet" moment and boycotting the awards alongside Will Smith, Heavy D, Salt-n-Pepa and more.