Re:Happy Public Domain Day: Gershwin’s “Rhapsody in Blue” Is...
by vidarh on Wednesday January 01, 2020 @06:48PM
(#21931672)
To what extent it is obvious just a simple statement that something is public domain would work depends on jurisdiction, which is why things like CC0 [1] exists.
[1] https://creativecommons.org/publicdomain/zero/1.0/legalcode
Not that I can see an obvious reason why it would be so tested, and frankly these are fuzzy memories from 15-20 years ago.