I wish I show to Billy Corgan ( anyone give him this information , please ) one of the best Portuguese guitarists! THE name is Carlos Paredes and he have a song ("verdes anos" in Inglish " green days!!" ) that anybody in the world will be highly rang by is beauty. The guitar is purely Portuguese! here is the youtube link!

http://www.youtube.com/watch?v=XwhV1ivYNsQ