I'm not sure if this is the right forum... but have you ever heard of a guy called "Soymartino"? He covers all kinds of songs, acoustically. Stumbled up on 'Complicated' by yes, Avril Lavigne, today, but don't let that judge him, he's an awesome player.

I suggest you have a listen ^.^


He has over 90 videos, all great covers of songs, but this is just one I picked out


Here's another (better, different style )song :
http://www.youtube.com/watch?v=CQ_CdjsxClk <-- More flamengo or w.e lol