Bring here music that is somehow connected to the world of DC. It doesn't have to be officially about e.g. Green Lantern as long as you'll explain how it fits for that specific character – in cases where explanation is necessary.

By offering the link... you may become a tougher person for the rest of the week. That's right, letting people listen to your great choice is encouraged.

Example: Megadeth – Public Enemy No. 1 (The Joker)