Polchowicz is a Brazilian singer, started his career as frontman of Brazilian heavy metal band Hangar, whose had three albuns released, "Last Time" 1999, "Inside Your Soul" 2001, and a remake of Hangar´s first álbum, with two bonus track songs and a DVD , with backstage scenes, called "Last Time Was Just the Beginning" 2008. Nowadays he sings in the OSPA choir, (Synphonic Orchestra of Porto Alegre), Venus Attack, Riffmaker, and works as a vocal coach.