What is the fine-grained topic of the following text: The Haydn work is a traditional hymn of joy and thanksgiving and is thought to have been performed for the Empress Marie Therese during the visit of Lord Horatio Nelson with Lady Hamilton to the Esterházy palace at Eisenstadt in 1800. Only return the topic.
Haydn's hymn performance for Empress Marie Therese during Lord Horatio Nelson's visit to the Esterházy palace in 1800.