Megadeth bassist David Ellefson will be one of the musicians participating in the Metal Masters 3 clinic, to be held at the Key Club in Los Angeles on April 12, the day after the Revolver Golden Gods Awards. Members of Anthrax and Slayer will also be present, as will former Dream Theater drummer Mike Portnoy. Doors open at 7 PM.

Ellefson is nominated for the Paul Gray award for Best Bassist at this year's Golden Gods; click here to vote for this and all the other categories! Voting ends April 1.