http://www.gamespot.com/news/6203193.html?om_act=convert&om_clk=newstop&tag=newstop;story;1
It's the same free songs released in the 360/PS3 versions, but now on Wii!
They're essentially no-name bands, but... they're free...
FREE SONGS
88, The / Sons & Daughters
Authority Zero / No Regrets...