defcon 1
Artist with "Whence and Whither?" album

Defcon 4
Artist with the following albums: "File Under Fuck", "Oldschool? Newschool? NO SCHOOL!!", "Defcon 4", etc...

Defcon 6
Artist with "Break To The Beat" album

Defcon One
Artist with the following albums: "Artificial Respiration", "Worlds Beneath"

DefConFour
Artist with "DefConFour;WB,Reprise7599-26049-2" album

Defconn
Artist with the following albums: "Straight from the streetz EP", "Lesson 4 the People", "CITY HUNTER", etc...

DeFCoN_5
Artist with "The EP 2000" album