Karaoke Revolution
51 Achievements
PS3
Host with the most
Sing your first song in Party Mode
20.2%
How to unlock the Host with the most achievement in Karaoke Revolution - Definitive Guide
PugslyPuppy
TrueAchievements
TrueAchievements
This should pop doing Co-op Commune or Host with the Most. If for some reason it didn't, just do a party with yourself as the only player and sing 3 songs. You can quit after the first.
TigerLust
See "Nothing but a good time"