The band's second collaboration with American music producer Malay, Castle St debuted at number one on the New Zealand Albums Chart.

[2] The album's first single "Before You Leave", inspired by the birth of lead vocalist Matiu Walters's daughter, was released on 19 August 2022.

[3] To promote the album, a replica of their Castle Street house was constructed and displayed in Eden Park, Auckland.

[2] The band's previous summer tour was postponed due to the effects of COVID-19 in New Zealand.

[2] New Zealand band Supergroove reformed to play as an opening act for the tour's Wellington and Auckland dates.