Title Music - Boombots Bonus Song by Terry Taylor.
Quiz Music 1 - Rocky Theme.
Quiz Music 2 - The Yeah Yeah Yeah Song(instrumental).
Question 84 Music - Star Wars Cantina Remix.
Mars sings (Q92) - What is the light? by The Flaming Lips.
Epic 10 Music - Miserlou by Dick Dale.
These can all be found in the credits (bottom left option on the main menu).