BBC Proms: H.M.S. Pinafore.

Captain's daughter Josephine and common sailor Ralph Rackstraw are in love. However, their relationship is complicated by her arranged marriage to the high-ranking Sir Joseph Porter. A secret about the characters' true identities revealed by Little Buttercup, which leads to a farcical resolution. BBC Proms version of the Gilbert & Sullivan romantic comedy, shot at the Royal Albert Hall.