Full list of all 12 Rock Band Track Pack 2 achievements worth 250 gamerscore. It takes around 2-3 hours to unlock all of the achievements on Xbox 360.
Scored a 100% rating as a vocalist on Expert.
Scored 100% notes hit as a drummer on Expert.
Scored 100% notes hit as bassist, up-strums only, on Expert.
5-Starred "Call Me" by Blondie using Vocals or Bass on any difficulty
5-Starred "Monkey Gone to Heaven" using Bass or Vocals on any difficulty.
5-Starred all songs in Solo Tour on any difficulty using any instrument
5-Starred "Message in a Bottle" by The Police using Guitar or Vocals on any difficulty.
5-Starred "This Ain't a Scene..." by Fall Out Boy using Guitar or Drums on any difficulty.
5-Starred "You've Got Another Thing Comin'" by Judas Priest using Guitar or Bass on any difficulty.
5-Starred "Girl U Want" by Devo using Guitar or Drums on any difficulty.
5-Starred "El Scorcho" using Vocals or Guitar on any difficulty.
Scored 100% notes hit as a guitarist on Expert.