Public domain, for more than a century. What could still be protected is a modern arrangement.
Copyright law varies from country to country; in the USA, any song published before 1922 is in the public domain. Mostly, the copyright survives until the composer(s) die and then for 75 years afterwards.
No; copyright is administered by St. Nicholas Music.
No, but a new work based on a PD song can be protected by copyright. A new translation, setting, arrangement, etc may be copyrightable. A common example would be the traditional Shaker song "Simple Gifts," which is in the public domain, and Aaron Copland's popular orchestral setting "Variations on a Shaker Melody," which is protected by copyright.
No; poetry and song lyrics written prior to 1923 are in the public domain.
It is Public Domain.
Both the song and music are so old that copyright law does not cover them.
Public domain, for more than a century. What could still be protected is a modern arrangement.
Key has been dead for 170 years, so it's long since been in the public domain.
Both the song and music are so old that copyright law does not cover them.
Works no longer protected by copyright are said to be in the public domain.
The song was originally put into the "public domain" so there is no copyright on the song itself. HOWEVER people who have recorded the song would own the mechanical and/or publishing rights, so for any specific recording of the song there will be a rightsholder.
Pubic domain occurs naturally when a copyright expires. In theory, a copyright owner can intentionally disclaim any power to enforce a copyright, making it as if it were "public domain".
Nobody. It's public domain.
When a copyright expires, the work enters the public domain. In the public domain, the work is no longer protected by copyright law, and anyone is free to use, reproduce, or modify it without permission or payment.
Regarding the 1938 novel by T.H. White: If copyright was renewed, it will enter the public domain in 2033. If copyright was not renewed, it is currently in the public domain. Regarding the 1963 Disney film: No.
No. Public domain means that the material is available for use by anyone, without copyright restriction.