Redbana has just announced that #1 Billboard artist, Ke$ha is being featured in their game, Audition Online.  Audition Online is an unique, free to play, MMO that focuses on rhythm dance, a facet of gaming that other MMO games haven't attempted yet. Here is the full list of songs and artists that were added in this latest update: - Ke$ha’s - "Tik Tok" - Jordin Sparks - "Battlefield" - H... more.