I did say most, not all. Yes, FF has some of the best music out there, though that music you refer to is the music we listen to while playing and isn't necessarily some soundtrack playing in the character's heads. Once again... this is my opinion, and I don't think it fits thematically to give everyone the ability to run around playing music in addition to the issues.
Sadly I can only see grief coming from the sign ups for such a roster as this...
Please don't take it as me coming out and saying I am completely against this, I just don't think it makes sense in this game.