Okay, I know that he isn't signed to Aftermath as a solo artist but he is signed to Aftermath Entertainment under the group "Black Hippy" along with Kendrick Lamar, Ab-Soul, & Jay Rock. He is also on Interscope as a solo artist now so I'll post this shit here because he pretty, damn fucking good.
He is on tour:
He dropped a single from Habits & Contradictions on April 3rd called "Hands On the Wheel (feat. A$AP Rocky):
Watch & Listen here:
http://www.youtube.com/watch?v=KWlu8VhcqtM
Buy it here:
http://itunes.apple.com/us/album/hands-on-wheel-feat.-a$ap/id513682846
He also did an L.A. Leakers freestyle recently:
http://losangelesleakers.com/2012/03/audio-schoolboy-q-brainstorm-l-a-leakers-freestyle/
Finally, here is a Black Hippy song I found:
http://www.youtube.com/watch?feature=player_embedded&v=UziocaSimyc#!
This is my favorite song by him:
http://www.youtube.com/watch?v=g8I_2-KVRUA