Final Fantasy VII :
Aeris' Theme, J-E-N-O-V-A, One-Winged Angel.

Final Fantasy VIII :
Liberi Fatali, The Man With The Machine Gun.

Final Fantasy IX :
Melodies of Life, Vamo' alla Flamenco.

Final Fantasy X :
Suteki Da Ne.

Final Fantasy X-2 :
Real Emotion, I'll Give You Something Hot!

Final Fantasy CC :
Kazenone.