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
Permanence	Static-X			4:07	Machine	2001	C Standard	mute	1970-01-01
Permanent	Knocked Loose			4:47	A Tear in the Fabric of Life	2021	Custom Tuning	mute	1970-01-01
Permian - The Great Dying	The Ocean			9:26	Phanerozoic I: Palaeozoic	2018	Custom Tuning	mute	1970-01-01
Pernicious	All That Remains			4:05	The Order of Things	2015	C# Standard	mute	1970-01-01
Pernicious	Signs of The Swarm			5:22	Pernicious	2020	Custom Tuning	mute	1970-01-01
Perpetual Black Second	Meshuggah			4:42	Nothing	2002	Custom Tuning	mute	1970-01-01
Perpetual Growth Machine	Rivers Of Nihil			4:57	Monarchy	2015	Custom Tuning	mute	1970-01-01
Perpetual Windburn	Haunted Shores			3:21	Void	2022	Custom Tuning	mute	1970-01-01
Persecution	Judas Priest	Bass2		6:34	Nostradamus	2008	Custom Tuning	mute	1970-01-01
Persephone	Tamino			5:10	Amir	2018	Custom Tuning	mute	1970-01-01
Persevere	Polyphia			3:55	Inspire (EP)	2013	Custom Tuning	mute	1970-01-01
Persevere (ft. Aaron Marshall)	Polyphia			3:55	Inspire (EP)	2013	Custom Tuning	mute	1970-01-01
Personal Insult	Superjoint Ritual			4:18	A Leathal Dose of American Hatred	2003	C# Standard	mute	1970-01-01
Perspective	LANDMVRKS			2:59	Hollow	2016	C# Drop B	mute	1970-01-01
Pest	Decapitated			3:47	Carnival is Forever	2011	C# Standard	mute	1970-01-01