Prince of Denmark's March
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The Prince of Denmark's March, commonly, though erroneously known as the Trumpet Voluntary, is a work for keyboard (later adapted to trumpet) by Jeremiah Clarke, composed around 1700.
For many years, the piece was incorrectly attributed to the better-known composer, Henry Purcell. It was originally written in honour of George, Prince of Denmark, the consort of Queen Anne of Great Britain. The march is very popular as wedding music and was often broadcast by the BBC during World War II, especially when broadcasting to occupied Denmark.
A snip of the tune can be heard at the end of the Chumbawumba song, "Tubthumping".