David O is a music-theatre artist specialising in new music for the stage and concert hall. On Broadway, David was the Musical Director for Billy Crystal’s Mr. Saturday Night. In the early days of the pandemic, David co-created the popular and star-studded YouTube video You Can’t Stop the Beat: a Celebration for the Actor’s Fund. As a Los Angeles-based Musical Director, David has conducted the world premieres of 13 and Soft Power, as well as numerous productions at the Pasadena Playhouse, Center Theatre Group, La Mirada Theater, The Blank Theater, and South Coast Repertory. David’s original compositions include: the choral compositions A Map of Los Angeles; One With the Wind; music for the film Bronies: The Extremely Unexpected Adult Fans of My Little Pony; the original music-theatre pieces Helen and Hippolytos (Getty Villa); The Very Persistent Gappers of Frip (Kirk Douglas Theater); and Songs and Dances of Imaginary Lands (Overtone Industries). David is known to a generation of young Angelenos as ‘The Professor’ for his work co-creating and co-hosting the LA Philharmonic’s Summer Sounds at the Hollywood Bowl - Voyage of the Global Harmony.