[2] Hsu is known as the co-founder, trumpet player and songwriter for the folk punk band The Mouldy Lovers.

[5] The album features collaborations with noted Tibetan musician Tenzin Choegyal, Triple J Unearthed Sprung Hip Hop winner Blaq Carrie,[6] and Japanese musician Kenta Hayashi,[7] Emily Wurramara has provided vocals on one of his projects.

[2] As a "one-person orchestra" he has performed at TEDx and Australia's BIGSOUND Festival, and has been featured on SBS World News,[8] and ABC's Art Works.

[11] Known as Matt Hsu's Obscure Orchestra, the ensemble is "underpinned by gender equity, inclusivity and visibility",[12] and currently[when?]

comprises 25 core members and frequent guest vocalists, which include culturally diverse, First Nations, disabled, transgender and non-binary artists.