Pete Rock and CL Smooth - They reminisce over you
Souls of Mischief - 93 Till infinity
Hi-C - Im not your puppet
Black Sheep - The choice is yours, Strobelight, Flavor of the Month (recommend this one)
Camp Lo - Sparkle
Geto Boys - Mind playing tricks on me
Da Brat - Give it to you (remix), Funkdafied, Da B Side
Kriss Kross - Live and die for Hip Hop
Digital Underground - Oregano flow
Dj quik - Tonight
Lighter Shade of Brown - Sunday Afternoon
LL Cool J - Around the way
This should get you started.
added, some more gangsterish rap:
Ice Cube - today was a good day (no brainer)
Rappin 4-tay - I'll be around, Ain't no playa
Junior Mafia - I need you tonight (so so def remix) if you can find it
Dove Shack - Summertime in the LBC
Dogg Pound - I don't like to dream about gettin paid
Notorious BIG - Big Poppa (so so def remix)