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
Protect Mission	Transformers Devastation			2:23	Transformers Devastation Soundtrack	2015	E Standard	mute	1970-01-01
Protoman	Emmure			3:20	Slave To The Game	2012	A Drop G	mute	1970-01-01
Prototype	Outkast			5:34	The Love Below	2003	Drop D	mute	1970-01-01
Prófugos	Soda Stereo			5:58	Gira Me Verás Volver	2007	E Standard	mute	1970-01-01
Psychic Tide	Spirit Adrift			9:47	Chained to Oblivion	2016	D Drop C	mute	1970-01-01
Psycho For Your Love	The Meteors			2:43	In Heaven	1981	E Standard	mute	1970-01-01
Psycho For Your Love (Live)	The Meteors			1:53	Live	1988	E Standard	mute	1970-01-01
Psychological Warfare	Integrity			1:45	Humanity Is The Devil	1996	E Standard	mute	1970-01-01
Psychopomp	Thank You Scientist			9:29	Stranger Heads Prevail	2016	Custom Tuning	mute	1970-01-01
Pulaski Skyway	Clutch			4:13	Robot Hive / Exodus	2005	E Standard	mute	1970-01-01
Pulling Strings	John5			3:48	Vertigo	2004	Drop D	mute	1970-01-01
Pullout Drawer	Buckethead			1:59	View Master	2012	E Standard	mute	1970-01-01
Pulse of the Maggots	Slipknot			4:23	Vol. 3: (The Subliminal Verses)	2004	Custom Tuning	mute	1970-01-01
Pulsos	Pitty			4:44	DesConcerto ao Vivo	2007	E Standard	mute	1970-01-01
Pump Up The Volume (US 7'' Version)	M/A/R/R/S			4:07	Pump Up The Volume (Maxi-Single)	1988	E Standard	mute	1970-01-01