I cant believe no one here mentioned the accolade II yet. That chrous and solo of that song give me goosebumps every time I listen to it. The words in that song are so moving, but the song is still very powerfull in many parts. It is by far one my favorite SymphX song and probably my favorite metal song overall.
It is the type of song that you can show to anyone regardless of their taste and they will just get it, after hearing it they will understand why we are all so crazy about this band and why it is important to us.