You know the songs Simple and Clean and Sanctuary? Well, Hikari and Passion are completely different than them! If you go ...here... it shows Passion and Hikari and translated in English, and then Sanctuary and Simple and Clean. That is so strange. They are so, so different, yet have the same beat and are used in the same parts of Kingdom Hearts. Isn't it a bit strange?
Yeah, a lot of people don't know that they are completely different songs. Most of them think that Simple and Clean and Sanctuary are "the english versions of Hikari and Passion," and some even get mad when you try to explain to them that they're not (I've had that happen.) I really don't think its that strange. When artists do songs in a different language they will usually change some lyrics and sometimes even the whole song to make the lyrics fit the song. Great example are the songs "Friends Forever" (English) and "Invisible Tomorrow" (Japanese) by Puffy AmiYumi. The translated english lyrics for Invisible Tomorrow are completely different from Friends Forever but its the same back track.