file-1.wav = front-insane.wav
file-2.wav = front-r3mix.wav
file-3.wav = front-32.wav
file-4.wav = front-standard.wav
file-5.wav = front-original.wav
file-6.wav = front-extreme.wav
file-7.wav = front-128.wav
file-8.wav = front-64.wav
file-9.wav = front-default.wav