'Da, da, da, daaa!William gets nostalgic as he admires a stunning model of the Royal Yacht Britannia which he holidayed on as a child during a visit to a Hamburg museum with Kate. br The Duchess of Cambridge tried her hand at conducting a prestigious symphony orchestra today when she and Prince William visited Hamburg's new concert hall. br On the last day of their royal tour of Germany, Kate, who comes from a musical family and played flute throughout her school days, took a conductor's baton and directed the Hamburg Symphony Orchestra for a few brief seconds as they played the first four notes of Beethoven's fifth symphony - 'da, da, da, daaa'.