David has conducted the inaugural West End productions of numerous musicals, including Jesus Christ Superstar, Evita, Cats, Singin’ in the Rain, La Cage Aux Folles, Pirates of Penzance, Phantom of the Opera and Chicago. For television he was among many engagements Musical Director/Arranger for Victoria Wood “As Seen on TV”, “Dinner Ladies” “Bryn Terfel at Christmas” and “Wales in the West End” with Michael Ball and Lesley Garrett. As Musical Director of Carousel (Savoy):- “even the bits between songs – the underscoring – are wonderful under David Firman's baton” (Michael Coveney Independent)