The song itself is in the public domain, but certain arrangements, performances, and recordings will have their own rights.
Warner Chappell.
As of 1990, Warner Chappel purchased the company that owned the copyright to "Happy Birthday to You".
28Million$
Yes; it is controlled by Warner.
In short... Copyright issues.
the boohbahs are happy to know you, so i bet you're happy to know me! (boohbahs are a cartoon!)
Different jurisdictions have various opinions on when the song "Happy Birthday to You" will enter the public domain. In European Union (EU) countries the copyright in the song will expire December 31, 2016 however the current copyright holder, Walter Chappel, claims that based on his 1935 purchase of the rights the copyright won't expire until 2030.
that's illegal for you to know.
It is said to be derived from a Latvian folk song, which would put it in the public domain; even so, there are dozens of settings, recordings, and performances given their own copyright protection.
It should be assumed that a work is covered by copyright, as works do not need to state it, it is applied automatically.
I want to know about disadvantages o f the fully enforcement of copyright that is not only the log on websites
You can easily know when you are happy. Being happy makes everything lively and cheerful.