Sing and learn english

I think that english songs are really useful in order to increase our grammar skills.
Maybe for someone like me, that really like to listen songs, it's easier learn grammar listening to music.
Listening to english songs we learn a lot of english construct and a lot of new words.

http://www.youtube.com/watch?v=JenDQh-eAbc

This is a very famous pop song.
It has a very simple text but i want to focus upon some aspects of the text.

First of all i want to speak about the construct Safe and Sound.
I mean through this song i learn that the italian "sano e salvo" is not "safe and alive" but "safe and sound".

The second point i want to focus upon is the word appreciate.
For an italian like me appreciate has a very difficult pronounce;
listening to this song a lot of time i learn the right pronounciation of the word appreciate.

The third important aspects is learn new words.
I learn that tidal means "marea" and i collocate tidal with wave of mystery.
i learn lift as a synonym of raise.

Even if this song has a very simple i could focus upon some aspects of english grammar and increase my skills.