http://www.rawdrive.com/2012/12/14/kutmasta-kurt-presents-substance-abuse-background-music-mixtape/

"West Los"
http://www.youtube.com/watch?v=37yFyeelOkk

"What It Takes"
http://www.youtube.com/watch?v=7wfNem86zGg

"Don't Get Us Wrong feat. Tash
http://www.youtube.com/watch?v=ZascjLgw3eY

"Young Hollywood"
http://www.youtube.com/watch?v=Rt8FJpAh6kM

new Substance Abuse album "Background Music" featuring Tash, KRS-One, MC Eiht, Sadat X, Percee P, Myka Nyne and Max Julien:

http://www.amazon.com/Background-Music-Explicit/dp/B00AGBC2AY