Record your best metal song with RiffWorks (Mac/Win) or FourTrack (iPhone) on your own, or with up to 4 friends worldwide using RiffLink online song collaboration. Over $4000 in prizes are up for grabs, including a Codella Stormchaser Guitar, Sonoma’s new GuitarJack 2 USB audio interface for PC, Mac and select mobile devices, and more.

Sonoma Wire Works asked me to be the judge for this year’s RiffRumble, so get your entries in.