The Pirates of Penzance or The Slave of Duty, Act 1:No. 9, Recitative, "What ought we to do?" (Edith, Kate, Girls) - No. 10, Duet with Chorus, "How beautifully blue the sky" (Mabel, Frederic, Girls)

歌手： Elsie Morison Francis Dillnutt Glyndebourne Festival Chorus Heather Harper John Holland Marjorie Thomas Peter Gellhorn Pro Arte Orchestra Richard Lewis Ronald Kinloch Anderson Sir Malcolm Sargent • 专辑：Gilbert & Sullivan: Pirates of Penzance • 发布时间：2011-06-13