Iuri Sanson, singer of the Brazilian metal band HIBRIA, will front Japanese metallers LOUDNESS for their appearance later today (Sunday, April 14) at the Live N' Louder festival in Sao Paulo, Brazil.A photo of Sanson and LOUDNESS rehearsing for the show can be seen below. Ex-LOUDNESS vocalist Mike Vescera, who was originally supposed to rejoin his former bandmates for this one-off concert, is unable to make the event. LOUDNESS released its 25th studio album, "2012", last August via Tokuma Communications. The band last year inked a deal with FrostByte Media for the release of the "Eve To Dawn" outside Japan. The CD was originally made available in the group's home country in September 2011. HIBRIA's third album, "Blind Ride", was released in January 2011 via King Records in Japan.