Lucy Amelia Nancy Moss (born 13 January 1994) is a British musical theatre composer, lyricist, playwright, writer, and director best known for co-creating the hit musical Six with Toby Marlow. As director of most Six productions, Moss became the youngest ever female director of a Broadway musical at 26. For its West End run, Six was voted Best New Musical of the Decade by readers of WhatsOnStage and received five Olivier Award nominations. Nominated for a Tony Award for Best Direction of a Musi ...