Heavy Moss is an Australian psych-pop quartet led by King Gizzard & the Lizard Wizard bassist Lucas Harwood alongside Sam Ingles, Kyle Tickell, and Bec Goring.

Heavy Moss was formed due to a "spontaneous reunion" between Lucas Harwood and Sam Ingles in their hometown of Geelong, Victoria in 2022.

[3] Seeking a fresh direction, they brought in Kyle Tickell and Bec Goring to complete the lineup.

[4] Before the album was released, parts of it were played on speakers before King Gizzard and the Lizard Wizard shows during their 2024 tour.

[2] Harwood stated that the album was "pretty split between mine, Kyle [Tickell]’s, and Sam [Ingles]’s songwriting" and that "Stu really gave me confidence to make some drastic sonic decisions.