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
Pretty Flamingo	Manfred Mann			2:30	Pretty Flamingo	1966	E Standard	mute	1970-01-01
Pride (Times Are Changing)	Madball			2:40	Demonstrating My Style	1996	Eb Standard	mute	1970-01-01
Primitive Killing Machine	Blood Red Throne			4:09	Blood Red Throne	2013	B Standard	mute	1970-01-01
Prince Charming	Metallica			6:04	Reload	1997	Eb Standard	mute	1970-01-01
Prisoners Awakening	Dead Cells			4:37	Motion Twin	2017	E Standard	mute	1970-01-01
Promised Land (Opening)	Oouchi Tetsuya , Mitsui Yukiko			1:47	Mermid Melody Pitchi Pitchi Pitch	2003	E Standard	mute	1970-01-01
Prowling Leather	Midnight			3:39	No Mercy For Mayhem	2014	Eb Standard	mute	1970-01-01
Pteropticon (E Tuning)	Vektor			6:04	Terminal Redux	2016	E Standard	mute	1970-01-01
Pteropticon (F Tuning)	Vektor			6:04	Terminal Redux	2016	F Standard	mute	1970-01-01
Pulling Mussels (From The Shell)	Squeeze			4:03	Argybargy	1980	E Standard	mute	1970-01-01
Pulling On The Boots	John Clifford White			2:26	Romper Stomper Original Soundtrack	1992	E Standard	mute	1970-01-01
Pulling Strings	John5			3:48	Vertigo	2004	Drop D	mute	1970-01-01
Pulling Teeth	Green Day			2:30	Dookie	1994	Eb Standard	mute	1970-01-01
Pulling The String	Mudvayne			5:10	Lost and Found	2005	D Drop C	mute	1970-01-01
Pumping Iron Power	Grailknights			3:58	Knightfall	2018	E Standard	mute	1970-01-01