The Piano Room is an optional location in Castlevania: Dawn of Sorrow. As the name suggests, the room is filled with large piano keys on the floor. The Piano Room seems mysterious, intriguing many players since its release on Nintendo DS. However, after nearly two decades of examination, it is simply a fun area to play music. Still, with most of its keys functioning as accurate tones, you can use the room to recreate your favorite songs or compose original tracks.