It's hard to post good songs when everyone else posted so many good ones. I could post more Touhou, but everyone's heard all that. Here's some stuff from LaTale that maybe you haven't heard.
[YOUTUBE]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/XSSRRywYkXE&hl=en&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/XSSRRywYkXE&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>[/YOUTUBE]
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I like Bird against the Storm better, but they're both excellent. You can actually download their entire OST straight from the Korean website, here. Click the pink button near the top of the list to download the whole thing, or click the right (darker blue) button next to any song to download just that song.
[YOUTUBE]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/XSSRRywYkXE&hl=en&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/XSSRRywYkXE&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>[/YOUTUBE]
[YOUTUBE]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/B4MD7hu4a1I&hl=en&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/B4MD7hu4a1I&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>[/YOUTUBE]
I like Bird against the Storm better, but they're both excellent. You can actually download their entire OST straight from the Korean website, here. Click the pink button near the top of the list to download the whole thing, or click the right (darker blue) button next to any song to download just that song.