A musical battle to the death...?

This is it, the moment you've been waiting for. You have finally come face to face with combat master David Bowie. David Bowie had tried to kill you, but instead killed your twin brother, a famous concert pianist. Now you seek revenge. Bowie is armed with a song, and you know it's a good one. After all, he is frickin' David Bowie. You must vanquish him with a song of your own. Which do you choose to defeat the Thin White Duke?