"Auld Lang Syne" is a Scots poem written by Robert Burns in 1788 and set to the tune of a traditional folk song (Roud # 6294). It is well known in many countries, especially in the English-speaking world, its traditional use being to bid farewell to the old year at the stroke of midnight on New Year's Eve. By extension, it is also sung at funerals, graduations, and as a farewell or ending to other occasions. The international Scouting movement, in many countries, uses it to close jamborees and other functions. Robert Burns sent a copy of the original song to the Scots Musical Museum with the remark, "The following song, an old song, of the olden times, and which has never been in print, nor even in manuscript until I took it down from an old man." Some of the lyrics were indeed "collected" rather than composed by the poet; the ballad "Old Long Syne" printed in 1711 by James Watson shows considerable similarity in the first verse and the chorus to Burns' later poem, and is almost certainly derived from the same "old song".
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