Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
All Mime ( 30 points )	Trigger all Timed Gestures in 1 song.
Legendary Performer ( 40 points )	Earn a Bronze Cup or better on 20 songs.
Medal Rush ( 30 points )	Earn 1,000 total medals points.
Perfect Harmony ( 10 points )	Sing 20 songs in Duet mode.
Shake It Like You Mean It ( 30 points )	Hit all Timed Noisemakers in 1 song.
Smokin' ( 10 points )	Get 50 Combos.
Star Struck ( 40 points )	Gain 150,000 total stars.
The Great Ball of Fire ( 40 points )	Get 200 Combos.
You've Got Talent ( 20 points )	Earn a Bronze Cup or better on 1 song.