Provide links to them, while you're at it!

Here's one of mine:
Mushihimesama Futari - 'Invisible Warmth' by Manabu Namiki

This song is really nice because most of the music in this game is really fast-paced and is heavy on the synth. This is really slow and calm, and I smile a bit every time I hear it.

Bonus: Here's an arranged version of the song.