Dominic Francis Glynn is an English electronic composer. Glynn is a prolific composer of music for television and film. His work includes the arrangement of the Doctor Whotheme music which served as the series' theme for Season 23 of the programme. It was replaced by Keff McCulloch's arrangement the next season. He also wrote the incidental music for the Doctor Who stories The Mysterious Planet, The Ultimate Foe, Dragonfire, The Happiness Patrol and Survival. Big Finish Productions has used his arrangement of the theme on several audio plays featuring the Sixth Doctor, starting with Jubilee in 2003. In 2007 Glynn wrote and performed the score for the British crime thriller "Bad Day", starring Claire Goose and Donna Air and Sarah Harding. As a regular writer for Universal Music Publishing Group, and other production music libraries, his music has featured in episodes of The Simpsons, Red Dwarf, Episodes and Eerie Indiana, and the feature filmsHoly Man and Kevin & Perry Go Large. In 2005/2006 his composition "Dangerous Beauty" was used as the theme to the hit Dutch television thriller series Vuurzee. A number of his production music tracks have been aired on the famous Adult SwimTV channel "bumps". Glynn has also been active in the alternative electronica field, running the left fieldrecord label, No Bones Records and recording under the names "Fluid" and "Cybajaz" and with Justin Mackay as Syzygy. Much of his work as Syzygy was released during the 1990s on Rising High Records. He also co-composed the score of the video gameForsaken and also contributed music for Re-Volt, both published by Acclaim Entertainment. 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. Glynn has written soundtrack music for many of B7 Productions's audio plays based on the BBC TV series Blake's 7, which subsequently were aired on BBC Radio 4 Extra. A long-term working relationship with the filmmaker Anthony Baxter has resulted in musical contributions to the film You've Been Trumped, as well as complete scores to A Dangerous Game and the 2016 sequel, You've Been Trumped Too.