Richard co-composed music and songs for the Olivier-nominated show Peter Pan Goes Wrong. He initially joined Mischief Theatre in 2013 as an improviser for Lights! Camera! Improvise!, which played several sold out runs at the Edinburgh Festival and had a residency at the Duchess Theatre before becoming Mischief Movie Night. Other recent composition work includes the in-development musical Tasting Notes, music for the short film The Art of Za Deal and the plays Indebted to Chance and The Recruiting Officer at the Old Red Lion.