Trauma Team OST: Rosalia's GUILT
http://www.youtube.com/watch?v=oJfauqto50M
It's a sad song, but it was so moving that it didn't get out of my head until now.
Wave battle- Megaman Starforce OST
http://www.youtube.com/watch?v=94v2ANQofd8&feature=related
It's stuck in my head since I battled for the first time.
Currently listening to "Vulnerability" - Trauma Center: Second Opinion OST...
http://www.youtube.com/watch?v=XMcVygaiTj4
Believe me or not, this song rocks.
Now, I'm listening Together by Fumie Akiyoshi:
http://www.youtube.com/watch?v=Pmf1IdcU37M
Obviously, it's hard to understand, since it's in japanese (there are no english versions). But's nice to listen and relax.