Don't forget about the noise cancelling headphones so he doesn't have to listen to Geddy Lee sing.
Actually, the headphones just shift the pitch down (several) octaves so it sounds like Bowser from Sha-Na-Na. Take both the dry and processed audio feeds together and it sounds like a cross between the Oak Ridge Boys and Queen.
(OK, none of that is true, but it is funny.
(Well, it's funny to me, anyway.)