Wow! I'm shocked that I didn't find this group sooner...
Anyway, coming up with a top five has proven to be extremely difficult for me. I almost have to group them based on a variety of factors (emotional pieces, battle pieces, nostalgic, etc.). However, instead of going through all of that, I chose to just randomly pick some of my favorites from different games...otherwise I would be here for days hahaha!
Here they are in no particular order:
1. Le Ali Del Principio
Baten Kaitos Origins
2. Oh, Light...!
Final Fantasy Crystal Chronicles
3. Hyrule Field Main Theme
The Legend of Zelda: Ocarina of Time
The Legend of Zelda: Skyward Sword
5. Seeing Dreams Through the Window of the Stars
Super Mario RPG: Legend of the Seven Stars
It's really too bad that I couldn't make a top 100. Ironically, that would be much easier for me. I'm very strange.
Picking my top three favorite composers is very simple though:
1. Motoi Sakuraba
2. Koji Kondo
3. Nobuo Uematsu or Jeremy Soule