Songhammer is a cosplay rock band that has Warcraft inspired themes for many of their songs. Their music is geared for gamers, cosplayers, comic-heads and geeks of every stripe. They usually perform with armor and eponymous weapons to go with their musical instrumentality.
They have performed numerous times at BlizzCon including: BlizzCon 2011 (song contest winner), BlizzCon 2013 (talent contest winner), and BlizzCon 2014 (World of Warcraft 10th Anniversary Celebration with Metallica). They have also performed at Gam3rcon, San Diego Comic Con (year?), and will be a feature band at gamescom 2015 (Cologne EU).