I couldn't help but notice that a line from the Frank Zappa album Joe's Garage appeared in the multiplayer map "The Pit" on Halo 3. A voice over the intercom states "The white zone is for loading and unloading, if you want to load or unload, go to the white zone".

Well done Bungie!

Before, I only noticed the announcer mention something about training.

Just saw Zappa Plays Zappa (Dweezil and co playing his father's music). It was an amazing 2.5 hours and well worth every penny. I assumed they'd never come to town. It was great to be in Row 3. =)