Never underestimate a teen (or tween!) punk rock girl.

The Linda Lindas, an all-girl punk band with members aged between 10 and 16 years old, have officially signed with Epitaph Records after their live performance of “Racist, Sexist Boy” went viral.

The four-piece group — comprised of 10-year-old Mila, her 14-year-old sister Lucia, their 13-year-old cousin Eloise and their 16-year-old friend Bela — performed a set that included the song “Racist, Sexist Boy” in the L.A. Public Library for Asian Pacific Islander Heritage Month. The Los Angeles-based group members are Asian and Latinx.

The clip, which has scored millions of views on social media, opens with Mila introducing the song, which she says was inspired by an encounter she had with a boy at school who told her his dad instructed him to stay away from Chinese people.

“After I told him that I was Chinese, he backed away from me,” the fifth-grader says. “Eloise and I wrote this song based on that experience.” she later told The Guardian “It was my first experience of racism, and I didn’t really know how to respond.”

The girls got the last word, though. “So this is about him and all the other racist, sexist boys in this world,” Eloise says before the group starts playing. Eloise, who sings and plays the bass, then howls the lyrics, “Racist, sexist boy, you are a racist, sexist boy.”

The incident happened before the recent epidemic of violence against people of Asian or Pacific Islander descent, but it was a scary preview of things to come. “I hope the song empowers people who have been oppressed,” Eloise said. “It’s good because I get to scream a lot in it – all of the anger that builds up, it’s good to let it out. It’s really fun to perform.”

“We made it less about intelligence and more about being a bully,” Lucia said. “We wanted to tell a story about something that actually happened to a 9-year-old girl – so it becomes impossible to ignore.”

The girls’ fierce performance was their path to reach a deal with punk label Epitaph Records after they recorded two singles and EP, which were produced and mixed by Mila and Lucia’s dad, Carlos de la Garza, who has collaborated in the past with Paramore and Bad Religion.

The LA-based band began playing together in 2018 and have since played alongside acts like Bikini Kill, Bleached and Best Coast, and have earned the praise of luminaries like Tom Morello of Rage Against the Machine and actor Amy Poehler, who put the group in her upcoming film Moxie, about a 16-year-old girl who publishes a ‘zine calling out sexism in her school.

Thousands of people have shared the video, including well-known artists like Awkwafina and Red Hot Chili Peppers’ Flea. “People that I really look up to have been reposting us and it’s like, whoa, I never thought in a million years that I would have this close of an interaction with these people,” Bela, who plays guitar and sometimes also the bass, told BuzzFeed.

While the video catapulted them to viral fame overnight, they have actually been on the scene for quite a while. The Linda Lindas have been building up to this moment. The girls first played together as part of Kristin Kontrol’s pickup band at a Girlschool festival in Los Angeles. Later that year, they rocked a gig at the Hi Hat in Highland Park and they’ve been together ever since. They drew their band name from Linda Linda Linda, a 2005 Japanese film about a group of teen girls who perform songs by the Blue Hearts at a school show.