Insanely dope game from the insanely hard working homie Alex Kerfoot.  Can’t wait to see the full version of this.  See more at:

http://rpmcollective.com/equalizr/

EQUALIZR is a 2D shooter where everything in the game—enemy types, behaviors and formations, weapons, power-ups, levels and visuals—are all based on music chosen by the player. Whatever you pick, Equalizr will procedurally generate gameplay that matches the feeling of the music.