Hidden Orchestra is the solo studio project of multi-instrumentalist, composer, and producer Joe Acheson, whose albums and live shows include guest musicians from diverse musical backgrounds.

Formed in Edinburgh, the band's regular live members include Poppy Ackroyd (violin/piano) and drummers Tim Lane and Jamie Graham.

[4] Hidden Orchestra's debut album Night Walks was released in September 2010 by Tru Thoughts.

The album Archipelago borrowed from Sufi music, modal jazz, progressive rock, and the sounds of birds and the wind.

[4] Hidden Orchestra composed the soundtrack for Creaks, a video game developed by Czech studio Amanita Design, which was released in July 2020.