FF4 Celtic Moon - Prologue
FF6 - Prelude
FF6 - Dancing Mad
FF9 - Loss Of Me
FF9 - Dark Messenger
FFX - Seymour Battle
FFX - To Zanarkand
FFT - Antipyretic

Those would only be really good if you like the normal instrumental songs. Somehow I doubt that's what you're looking for, but I hope they help.