Tobias summarizes a topic very well. :)
If anyone interested in the SFWA DMCA abuse story has not read Tobias Buckell's summary, with quotes from many people including a Coda from the SFWA president, I recommend you do.
(Long story short: SFWA used a DMCA-based request to pull copywrited material from document sharing site Scribd; their list was flawed, and the site pulled material from authors SFWA was not authorized to represent -- material the authors actually wanted to have up there. Many authors railed about the abuse of authority and posted more public material just to demo that it's all right (a win for the public, IMHO). SFWA promises it will not happen again.)
ETA: Steven Silver points to what he says is an even better write-up on Scalzi's blog
(Long story short: SFWA used a DMCA-based request to pull copywrited material from document sharing site Scribd; their list was flawed, and the site pulled material from authors SFWA was not authorized to represent -- material the authors actually wanted to have up there. Many authors railed about the abuse of authority and posted more public material just to demo that it's all right (a win for the public, IMHO). SFWA promises it will not happen again.)
ETA: Steven Silver points to what he says is an even better write-up on Scalzi's blog

no subject
The premise that "it is a violation of copyright to mention a thing's title unless you are reviewing it" is incorrect. At the very least, please go read up on the concept of "fair use".
no subject
Sigh. Perhaps I am alone in thinking that it's hard to know whom to trust when explaining hot button legal issues to idjits like me... but I wonder if this is the case.
no subject
You could also hum it, since the music was originally published as "Good Morning to All" in 1893 and is therefore out of copyright.
no subject
As for "Happy Birthday", I believe (IANAL) that the circumstances under which royalties would be due include any commercial usage, performances in a public place, etc., but does not include singing the song at a birthday party at home.