Rosana S. G. Lanzelotte Adriana O. Ballesté Martha Ulhoa A Digital Collection of Brazilian Lundus. 163-164 2007 ISMIR http://ismir2007.ismir.net/proceedings/ISMIR2007_p163_lanzelotte.pdf conf/ismir/2007 db/conf/ismir/ismir2007.html#LanzelotteBU07