Rock Band Metal Pack

12 Achievements

250

5-6h

Xbox 360

4s and 5s

Get 4 stars or better playing "3s and 7s" with a full band

How to unlock the 4s and 5s achievement in Rock Band Metal Pack - Definitive Guide

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TrueAchievements

Not to hard just get 4 friends and go on easy if you have to. If you can you could do it with two people one in mic and guitar while the other is in drums and bass.