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
Part 2: The Loneliest Soul	I, Valiance			3:35	The Reject of Humanity	2015	A Drop G	mute	1970-01-01
Passage	Native Construct			8:11	Quiet World	2015	Custom Tuning	mute	1970-01-01
Passionflower	The Helix Nebula			4:09	Single	2015	Custom Tuning	mute	1970-01-01
Pedestrian At Best	Courtney Barnett			3:57	Sometimes I Sit and Think, and Sometimes I Just Sit	2015	E Standard	mute	1970-01-01
Pelagic	Covet			3:17	Currents	2015	E Standard	mute	1970-01-01
Penance	Ingested			3:27	Architect of Extinction	2015	AEADG	mute	1970-01-01
People Everywhere (Still Alive)	Khruangbin			2:44	The Universe Smiles Upon You	2015	E Standard	mute	1970-01-01
Permanent Vacation	5 Seconds Of Summer			3:27	Sounds Good Feels Good	2015	Eb Standard	mute	1970-01-01
Pernicious	All That Remains			4:05	The Order of Things	2015	C# Standard	mute	1970-01-01
Perpetual Growth Machine	Rivers Of Nihil			4:57	Monarchy	2015	Custom Tuning	mute	1970-01-01
Persona 5 Opening Theme	Shoji Meguro			1:56	Persona 5	2015	E Standard	mute	1970-01-01
Pervyiy (Drop D)	Amatory			3:20	6	2015	Drop D	mute	1970-01-01
Pervyiy (Drop G)	Amatory			3:20	6	2015	A Drop G	mute	1970-01-01
Phantom	Radio Havanna			2:49	Unsere Stadt Brennt	2015	E Standard	mute	1970-01-01
Philistine Philosophies	SikTh			5:10	Opacities - EP	2015	Custom Tuning	mute	1970-01-01