> I am looking for a song that was probably popular in the 80s, and it was called something like the Rainbow Song. It had lyrics that went:
> I BELONG TO MUSIC
> SURRENDERING TO A SONG
> THE SWEET HARMONY COMES TO SET ME FREE
> AND I'M BACK WHERE I BELONG

There are LOTS of lyrics search engine sites out there. Check out:

http://www.howtoman.org/d/Arts/Music/Lyrics/Lyrics_Search_Engines