Finn Callan operates musically underneath the pseudonym Oxxymoron, an experimental music project that explores the dark, unconventional avenues of sound in all its forms.

 He plays piano, keyboard, acoustic and electric guitar, ukulele and sports a tenor vocal range. The genres he explores include alternative rock, neoclassicalism, free jazz, noise, ambient, shoegaze, folk, lo-fi, math rock and avant-garde.