 West End's leading lady Gertrude Lawrence made her singing debut with Coward's musical works, an association that would continue throughout their careers.Lawrence had previously worked with him on the Liverpool production of Gerhart Hauptmann's play "Hannele" in 1913.The revue sketches made light of London society at the time, with one sketch called "The Swiss Family Whittlebot" poking fun at The Sitwells, known for their avant-garde poetry and ideas.