Sound of Da Police
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.
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.
One of KRS-One's most successful albums of the 2000s, it shows his continued creative talents and ability to collaborate.