"Happy Holidays from Diamond Dave's Tiki Bunker ..." says Roth. Earlier this year, the singer revealed that he had been working on a secret Van Halen project.

"Doing some catching up here, a little bit of a scrapbook," explained Roth. "We've been doing a lot of travelling. [I've been] working on a great Van Halen project - can't announce anything � or I'd have to come find you and swear you to secrecy."