HMS Pinafore (or, The Lass that Loved a Sailor) , Act I: My gallant crew, good morning (Captain Corcoran, Sailors) (《皮纳福号军舰》（又名《爱上水手的姑娘》），第一幕：我勇敢的船员们，早上好（科科伦船长、水手们）)