Auld Lang Syne is a Scottish poem, thought to be composed by Scottish poet and lyricist Robert Burns in 1788. It is sung to the traditional folk tune Roud 6294. It is well known across the English-speaking world and has long been associated with New Year’s celebrations, commonly played after people watch the ball drop .
https://www.huffpost.com/entry/auld-lang-syne-lyrics-wor_n_408106

