![Left - Guitarist Bill Kelliher of Mastodon performs on stage during the Hellfest Open Air Festival on June 17, 2022 in Clisson, France;Right - Lars Ulrich and James Hetfield of the band Metallica perform at the 2024 Library of Congress Gershwin Prize for Popular Song on March 20, 2024 at DAR Constitution Hall in Washington, DC](https://cdn.mos.cms.futurecdn.net/Zt29RBeE9NACa6gSUWtEXX-320-80.jpg)
“It was funny when I first met James Hetfield. I was like, ‘Thank you for teaching me how to play guitar. You paved the way for me’”: Mastodon's Bill Kelliher on how meeting his guitar heroes pushed him to improve his craft
Mastodon's Bill Kelliher also credits Slayer's Kerry King and Jeff Hanneman for changing his previously nonchalant attitude to warming up before a show