Ciara Mary-Alice Thompson, known professionally as CMAT, is an Irish singer, songwriter, and musician. Her debut studio album, If My Wife New I'd Be Dead, was released in February 2022 and entered the Irish Albums Chart at number one. The Guardian wrote of her music, "Her songs are mournful yet accessible, emotionally literate and cleverly crafted, but, crucially, with a huge sense of humour..." Her second studio album, Crazymad, for Me was released in October 2023.

John William Grant is an American singer, musician, and songwriter. He first became known as the co-founder, lead singer, pianist, and primary songwriter for the alternative rock band the Czars. After releasing six albums from 1994 to 2006, the band split up and Grant retired for four years before starting a solo career.