Starting with Miss Saigon in 1989, William David Brohn has orchestrated most of Cameron Mackintosh's productions, including the most recent, Mary Poppins, currently playing at the Prince Edward Theatre in London's West End. His assignments in the U.K. included four musical revivals at the Royal National Theatre, which are represented here with My Fair Lady.

In 1998 he received the Tony Award - Best Orchestrations for the Broadway musical Ragtime. His orchestrations are currently heard there in the smash-hit Wicked.