Song: Fuan (Anxiety)
Instrument: Piano
Anime: Death Note
Artist: Hideki Taniuchi & Yoshihisa Hirano
Album: Death Note Original Soundtrack II

I can't seem to find sheet music for this anywhere. If somebody can help, it'll be greatly appreciated.

You can listen to it here: http://www.youtube.com/watch?v=IGFUgrnRFmg

Thank you!

Look for a PM. :)