Days of Old Langzine

Factual Questions
1

What is the origin of the song that everyone sings on on New Years: “Old Langzine”?

2

Auld Lang Syne. That should help you search. AFAIK, “auld”, “lang” and “syne” are vocab words that I slept through.

3

Robbie Burns, who also wrote so movingly about mice & lice.

4

This link told me more than I ever wanted to know about the poem.

http://www.robertburns.org/encyclopedia/AuldLangSyne.5.html