as I understand it, it's a pretty difficult game to play

explain please

Ar Tonelico 2:Melody of Metafalica - Boss Battle 2: ... I have no idea.

basically, your fighters deal damage and protect your reyvateils (singers) until they can finish their damn song and unleash hell

._.

just do what I do and read the guy's playthrough for the story

yep. i'm sticking with that instead.