Acronym Soup: KYHU?

Questions

60's Chart Toppers: Name The Artist: Your Good Thing (Is About to End)?

- Aristocratic, elaborate English stage entertainment chiefly cultivated in the 17th century and involving poetry, dancing, scenery, costumes, instrumental and vocal music. The masque was related to opera and ballet.?

- This is the main service of the Roman Catholic Church which has been set to music by composers including Bach, Mozart and Haydn.?

(It. ) - Morning song.?

- A Polish folk dance in moderate to fast 3 / 4 or 3 / 8 time. Adapted and stylised by Chopin.?