Marcelo Birck

Marcelo de Campos Velho Birck is a Brazilian singer-songwriter, lyricist, arranger and guitarist, best known for his work with influential rock band Graforreia Xilarmônica. From Wikipedia (https://en.wikipedia.org/wiki/Marcelo...) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/b...)