Umm............
Look just listen and feel the dopeness. lol
Umm... you can a brief biography at:
http://www.reverbnation.com/J1
Producers:
Just Blaze
DJ Premier
J-Dilla
Hi Tek
Kanye West (Pre Graduation)
Boondoc
Q-Tip
And many more.........
Rappers/bands:
Jay-Z
Common
Nas
Mos Def
Talib Kweli
J-Dilla
Busta
A tribe called quest
Fl studio 8
Adobe Audition 3
Phillips monitor heaphone's
What more do you need??