Kim Shattuck was punk rock until the end. In a touching statement announcing the death of their bandmate and musical lodestar, The Muffs drummer Roy McDonald and bassist Ronnie Barnett said that Shattuck — who died on Wednesday (Oct. 2) at 56 after a two-year battle with ALS — said the legendary pop-punk screamer worked on their final album until the very end.

"We are very sorry to announce the passing of our bandmate and dear friend Kim Shattuck," read the statement. "Besides being a brilliant songwriter, rocking guitarist and singer/screamer extrordinaire, Kim was a true force of nature. While battling ALS, Kim produced our last album, overseeing every part of the record from tracking to artwork. She was our best friend and playing her songs was an honor. Goodbye Kimba. We love you more than we could ever say." 

Omnivore Recordings, the band's label, also paid tribute to Shattuck, saying they were devastated by the loss of Shattuck. "We’re thinking about all her friends and fans, especially her family and bandmates," read the statement. "Her creative fire will endure and inspire artists of tomorrow. We’re so grateful to have been in the audience and to have played a small part in getting more of her music out into the world."

Shattuck, best known for fronting The Muffs in the 1990s, was also a member of the Pandoras and the Coolies and sat in on vocals with bands including Bowling for Soup and NoFX, as well as briefly replacing Kim Deal in The Pixies in 2013. She was a beloved figure on the Los Angeles punk scene and her death inspired a flood of tributes from fans and fellow rockers including Green Day's Billie Joe Armstrong, The Dollyrots, Fucked Up's Damian Abraham and The Pixies.

The trio's fifth and final studio album, No Holiday, is due out on Oct. 18 on Omnivore Recordings.