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
Prophecy	Six Feet Under			3:22	Unborn	2013	C Standard	mute	1970-01-01
Prototyp	Hermetic Evolution			3:40	H 2.0: Deus Ex Machina	2013	E Standard	mute	1970-01-01
Provision	August Burns Red			4:43	Rescue and Restore	2013	C# Drop B	mute	1970-01-01
Proxy	Tesseract			5:04	Altered State	2013	E Standard	mute	1970-01-01
Psychokinesis	Utsu-P			4:24	CD-R	2013	Custom Tuning	mute	1970-01-01
Pulse (Ramen's Ver)	ERRA			4:06	Augment	2013	Custom Tuning	mute	1970-01-01
Punks au Liechtenstein	Les Fatals Picards			3:59	Septieme ciel	2013	E Standard	mute	1970-01-01
Punx Love	Indulgentsia			3:43	Boriba za vizhivanie	2013	D Standard	mute	1970-01-01
Puppet Talk	Flying Lotus			1:22	Ideas Drafts Loops	2013	E Standard	mute	1970-01-01
Puppy Princess	Hot Freaks			4:23	Hot Freaks	2013	E Standard	mute	1970-01-01
Put All Bitch To Death	UNDEAD CORPORATION			4:07	TOHO COMPLETE BOX	2013	B Drop A	mute	1970-01-01
Put It To The Torch	Hatebreed			2:17	The Divinity Of Purpose	2013	C Standard	mute	1970-01-01
Pyha Maa	Turmion Katilot			3:27	Technodiktator	2013	D Drop C	mute	1970-01-01
Q & A Recital!	Haruka Tomatsu			4:51	Sunny Side Story	2013	E Standard	mute	1970-01-01
Quando Quando Quando	Just Bubbles			3:18	Italian Lounge (Volume 2)	2013	E Standard	mute	1970-01-01