Achievements
Complete each achievement to get the allotted gamerscore:

ALLLLLLLL Night Long! (30): Play through every song on AC/DC Live in one session
Back in Black (10): 4-starred or better on a song after failing out and chooseing "Retry"
Broke The Limit, We Hit The Town (20): 5-star "Thunderstruck" on Guitar or Drums
Done Dirt Cheap (20): 5-star "Dirty Deeds Done Dirt Cheap" on Drums or Vocals
Fifteen Million Fingers (30): Score 100% notes hit during a guitar solo on expert
For Those About to Rock (10): Bring 4 band members into any game mode
Let There Be DRUMS! (25): Score 100% notes hit as a drummer on expert
Number One With A Bullet (25): Score a 100% rating as a vocalist on expert
Oi! Oi! Oi! (25): Score 100% notes hit as a bassist, upstrums only, on expert
Watch Me Explode! (20): 5-star "T.N.T." on Bass or Drums
We Salute You! (20): 5-star all the songs on AC/DC Live: Rock Band Track Pack on any difficulty
Yeah, Yeah You Shook Me! (20): 5-star "You Shook Me All Night Long" on Vocals or Guitar