He composed Non Stop, a short orchestral piece that was used as the ITV News theme tune from its inception in 1955 and for over thirty years.
After national service, in which he acted as a court martial prosecutor for 18 months, he set up a firm of solicitors in Wimbledon - Batt Holden - staying there for 50 years.
[1] In 1951 the publishers and music library Francis Day & Hunter took it on and had it recorded in Belgium in an orchestral arrangement by Ivor Slaney.
In 1969 he used Let's Make it Legal as the basis for the Yorkshire Television series The Main Chance (1969-1975), sharing the script writing with Edmund Ward and others.
[7] Batt was also part of the team at Yorkshire that created Justice (1971–73), another legal show, and wrote scripts for the BBC Two Series Trial (1971).