Boogie Down Productions: Criminal Minded (1987)
This was B.D.P.'s highly influential debut album, which some (maybe not too accurately) say set the template for the great gangsta rap trend to come.
KRS-One: Return of the Boom Bap (1993)
Technically KRS-One's first solo album, this album came out after KRS had spent several years as a part of Boogie Down Productions, an influential hip-hop crew who also produced their own work.
KRS-One and Buckshot: Survival Skills (2009)
One of KRS-One's most successful albums of the 2000s, it shows his continued creative talents and ability to collaborate.