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
Purgatory	Darkest Hour			3:49	The Human Romance	2011	D Drop C	mute	1970-01-01
Purgatory	Iron Maiden			3:30	Killers	1981	E Standard	mute	1970-01-01