Auld Lang Syne was written in 1788 by Scottish poet Robert Burns. However, because the copyright has expired, the words and music are in the public domain. Certain arrangements and performances may be protected, and virtually all sound recordings are protected as well.
Nobody owns the copyright of a single word. Perhaps you mean trademark.
the coca cola company owns the copyright
A minor owns the copyright on any works they create.
Universal.
Word Music.
Paramount.
Rankin/Bass.
Rondor Music.
There are 24 different copyright-protected items by that name.
The phrase "copyright obtained" doesn't give any indication of who copyright might be assigned to.
You can't. It is a right that the writer owns. You can offer to buy the copyright.
Unless other arrangements are made, the creator of a work controls the copyright.