The Pirates of Penzance (or, The Slave of Duty), Act II: Frederic here! Oh joy! (Major-General, Mabel, Frederic, Pirates, Pirate King, Girls, Policemen, Sergeant, Ruth) George Baker/Elsie Morison/Richard Lewis/James Milligan/Monica Sinclair/John Cameron/Owen Brannigan/Heather Harper/Marjorie Thomas/Glyndebourne Chorus/Pro Arte Orchestra/Sir Malcolm Sargent