Glynn has a long-term working relationship as composer for the films of British filmmaker Anthony Baxter, which began with the 2011 documentary You've Been Trumped.
Subsequent films include A Dangerous Game (2014), You’ve Been Trumped Too (2016), Flint: Who Can You Trust (2020) and Eye of the Storm (2021) which won the British Academy Scotland Award for Specialist Factual in 2021.
In 1998, "Stressed Out" from "Strictly Drum 'N' Bass", an album made by Glynn, Justin Anthony Mackay and James Young was used as the main theme for the Oblivion roller coaster at Alton Towers in Staffordshire.
[3] In 2007, Glynn wrote and performed the score for the British crime thriller Bad Day, starring Claire Goose and Donna Air and Sarah Harding.
He has collaborated with Michael Faulkner's D-Fuse AV in both live performance and music videos, and has been seen regularly as both artist and DJ at The Big Chill.