Last year, guitarist Walter Trout was hit with a life-threatening liver disease, which caused him to lose 100 pounds. "For five years, Walter, Provogue Records and I have worked toward making Walter's 25th year as a solo artist a special celebratory event," Marie Trout said.

This video is bonus content related to the May 2014 issue of Guitar World. For the full range of interviews, features, tabs and more, pick up the new issue on newsstands now or at the Guitar World Online Store.

Today, GuitarWorld.com presents the exclusive premiere of Joe Satriani's "Time Machine" (Remix), a previously unreleased version of a track from Satriani's 1993 album, Time Machine. The track is from The Complete Albums Collection — Additional Creations and Bonus Tracks, which is part of a new 15-disc career-spanning box set, Joe Satriani: The Complete Studio Recordings, which will be released April 22 through Epic/Legacy.

We thought we'd share this late-2013 video of an 8-year-old girl named Li-Sa-X covering none other than Paul Gilbert. Below, check out a video of Li-Sa-X performing the instrumental Racer X tune "Scarified." The track originally appeared on Racer X's 1987 album, Second Heat, and was written by Gilbert and Scott Travis.