ShredDB is an experimental .shred library, I removed the audio so it's pretty useless. You can find the source .psarc files here.

Song	Artist	Play	Shred	Length	Album	Year	Tuning	Uploader	Updated	Delete
Silent Prison	Norikazu Miura			4:05	Castlevania: Portrait of Ruin Original Soundtrack	2007	E Standard	mute	1970-01-01