Megadeth frontman Dave Mustaine will make a guest appearance next Monday on the nationally syndicated radio show "Rockline," hosted by Dave Coburn.  Fans are welcome to call the show's hotline (1-800-344-7625) to submit questions for the thrash legend, and a few lucky fans will even get to speak with Mustaine on-air.  For more info, go to RocklineRadio.com.

Megadeth's latest album, "Thirt3en," arrived in stores Tuesday, and industry prognosticators expect the set to move between 40,000 and 45,000 copies in its first week.