He’s also launching a new project with Porcupine Tree/King Crimson drummer Gavin Harrison – their debut full-length Early Mercy has just been released. After the Sabbath show, I don’t there’s ever going to be anything more intense. Get The Pick Newsletter All the latest guitar news, interviews, lessons, reviews, deals and more, direct to your inbox! I don’t want anything affecting my performance or to feel like I’m wasting anyone’s time. Maybe it’s those pentatonic ideas that help Mastodon sound more earthy and, ultimately, human?