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
Premonition	Haken			4:09	Visions	2011	BEADG	mute	1970-01-01
Pressure	Muse			3:58	Simulation Theory	2018	E Standard	mute	1970-01-01
Pressure Points	Camel			2:09	Stationary Traveller	1983	Eb Standard	mute	1970-01-01
Pretelethal	Coheed and Cambria			3:21	The Afterman: Descension	2013	E Standard	mute	1970-01-01
Pretty Big Mouth	Count Five			2:13	Psychotic Reaction	1966	E Standard	mute	1970-01-01
Pretty Pathetic	Smoking Popes			4:09	Destination Failure	1997	E Standard	mute	1970-01-01
Pretty Tied Up	Guns N' Roses			4:51	Use Your Illusion	1991	Eb Standard	mute	1970-01-01
Prey To Anguish	Neaera			4:40	Omnicide - Creation Unleashed	2009	Custom Tuning	mute	1970-01-01
Priests of Sodom	Cannibal Corpse			3:34	Evisceration Plague	2009	Bb Standard	mute	1970-01-01
Prism Spiral	STAR ANIS			4:10	Aikatsu! Audition Single 2 Second Show!	2013	Custom Tuning	mute	1970-01-01
Prisoners Awakening	Dead Cells			4:37	Motion Twin	2017	E Standard	mute	1970-01-01
Procastination Bass'in	Rob Scallon			1:49	Procastination Bass'in	2014	Eb Standard	mute	1970-01-01
Professor E. Gadd's Theme (Luigi's Mansion)	Kazumi Totaka/Nintendo			1:45	Luigi's Mansion Soundtrack	2001	E Standard	mute	1970-01-01
Prologue (Apprehension)	Apocalyptica			3:22	Reflections	2003	E Standard	mute	1970-01-01
Propaganda	Muse			3:05	Simulation Theory	2018	Open Dm	mute	1970-01-01