Riff Rundown: Mastodon's "Roots Remain" Premier GuitarAugust 5, 2018VideoBill Kelliher elaborates on how he uses open notes, bends, and hammer-ons for this Emperor of Sand track.And don't forget to check out the band's Rig Rundown.lessonsfeatured-storiesriff-rundownmastodonvideosespmetalhow-tosspecial-featured-storieswhats-newEffectsRiff RundownLessonsAcousticVideosRiff Rundown