After signing with Colemine/Karma Chief Records in December 2018, the band released the single "Naggin' On My Mind" which featured
Charlie Musselwhite and
Luther Dickinson. It was recorded at
Q Division Studios in
Somerville, Massachusetts and was produced by Stubbs. Musselwhite performed harmonica on the track, Dickinson was on
slide guitar. During the session
Matthew Prozialeck provided background vocals and played harmonica on what would become the B-side to "Naggin' On My Mind". Additional recordings from this session became the
Lonely Soul album. Stubbs and Faherty co-wrote the original material featured on
Lonely Soul. Their co-writing collaboration would continue through subsequent releases until Faherty’s 2024 departure. Their first record, a 7" single, was released in August 2019 with "Naggin' On My Mind" and "Sit Down Baby" on Karma Chief Records. Their debut album
Lonely Soul was released on October 18, 2019. The album debuted at number 2 on the Billboard Blues Chart. In September 2020 they released an EP called
GA-20 Live Vol. 1. The EP debuted at number 1 on the Billboard Blues Chart. Their August 2021 album
GA-20 Does Hound Dog Taylor: Try It...You Might Like It! also debuted at number 1 on the Billboard Blues Chart of September 4, 2021 and was the first album ever to be played in its entirety on the
Dr Boogie radio show. Released to mark the 50th anniversary of
Hound Dog Taylor and the HouseRockers,
Taylor's first disc, the GA-20 tracks are cover versions of songs from both that album and Taylor's second record
Natural Boogie. The album is a co-release by Colemine/Karma Chief Records and the legendary Blues label
Alligator Records (Hound Dog Taylor's label). The album received 4-star reviews in both
The Guardian and
Rolling Stone France. In September 2022 the band released the studio album
Crackdown which debuted at number 1 on the Billboard Blues Chart. They followed up
Crackdown with the live record
Live In Loveland, which debuted at number 2 on the Billboard Blues Chart. In July 2024, it was announced that Tim Carman would be replaced, on drums, by Josh Kiggans. In December 2024, it was announced that Pat Faherty had parted ways from the band due to artistic differences, and that Cody Nilsen would take his place moving forward. Nilsen is an acclaimed touring, session, and solo musician. Nilsen's debut with the band, "Cryin' & Pleadin'", was released December 10, 2024. "Cryin' & Pleadin'" reached number 1 on
B.B. King's Bluesville Top 15 Rack of Blues in March 2025. It remained at number 1 for five consecutive weeks. In May of 2025 the EP
GA-20 Volume 2 was released. == Band members ==