Def Jam Rapstar
51 Achievements
PS3
Opener
Complete Stage 2
26.9%
How to unlock the Opener achievement in Def Jam Rapstar - Definitive Guide
ChrisD0811
Earn enough microphones required to progress to Stage 3. After unlocking the various stages, you can press 
and 
to go back and forth through the stages you have unlocked. See the "RAPSTAR" achievement description for a few tips.