Final fantasy 8 riddles

[ChickenHeart]

Here goes:

Pleasant to the ears
But deadly to your health
Only one window exists
Where it means salvation

WAIT I KNOW

Is it Ultimicia's castle?
Pleasent to the ears, the piano, deadly to your health time compression the possibility they may die (idk laguna moaned about believing in one another >_>) , only one chance way to get to ulti, through time compression, salvation, urm killing that freak :D