[3] Gavin attended New Trier High School, graduating in 2011.

[4] While attending New Trier, Gavin posted a cover of Willow Smith's Whip My Hair, which went viral.

[5] In 2013, Gavin met Naomi McPherson and Josette Maskin at USC, where they formed the band MUNA.

[5][6] As of August 2024[update] Gavin has released three studio albums with MUNA.

[7] In 2024, Gavin announced her debut full-length solo album, What a Relief, which was released on October 25, 2024, through Phoebe Bridgers' record label Saddest Factory Records.