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
Promises, Promises	Naked Eyes			3:30	Burning Bridges	1983	E Standard	mute	1970-01-01
Prowler	Iron Maiden			3:59	Iron Maiden	1980	E Standard	mute	1970-01-01
Psycho Daisies	The Yardbirds			1:45	B-Side of the Happenings Ten Years Time Ago 45	1966	E Standard	mute	1970-01-01
Psychommunity	Hide			4:04	Hide Your Face	1994	E Standard	mute	1970-01-01
Punctured	Annihilator			5:52	Criteria For A Black Widow	1999	Drop D	mute	1970-01-01
Puppet Talk	Flying Lotus			1:22	Ideas Drafts Loops	2013	E Standard	mute	1970-01-01
Purania	Destrage			5:05	Are You Kidding Me? No.	2014	D Drop C	mute	1970-01-01
Pure Death	Yasushi Ishii			3:03	Hellsing OST 1: Raid	2003	E Standard	mute	1970-01-01
Push	Stand Atlantic			3:45	Sidewinder	2017	Eb Drop Db	mute	1970-01-01
Pushing Me Away (Ramen's Ver)	Linkin Park			3:16	Hybrid Theory	2000	Eb Drop Db	mute	1970-01-01
Pussy Is Mine	Miguel			2:56	Kaleidoscope Dream	2012	E Standard	mute	1970-01-01
Q & A Recital!	Haruka Tomatsu			4:51	Sunny Side Story	2013	E Standard	mute	1970-01-01
Queen of Hearts	Fucked Up			4:39	David Comes to Life	2011	E Standard	mute	1970-01-01
Quiet's Theme	Akihiro Honda/Albert Gyorfi			2:40	Metal Gear Solid V OST	2015	E Standard	mute	1970-01-01
R.E.S.	Cardiacs			5:55	The Seaside	1984	E Standard	mute	1970-01-01