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
Pappa lukter tusj	Black Debbath			2:55	Norsk Barsk Metal	2018	Custom Tuning	mute	1970-01-01
Paranoid	Black Sabbath			2:53	Paranoid	1970	E Standard	mute	1970-01-01
Paranoid (440 Hz)	Black Sabbath			2:51	Paranoid	1970	E Standard	mute	1970-01-01
Paranoid Acoustic	Black Sabbath			2:26	Paranoid	1970	E Standard	mute	1970-01-01
Perfect Weapon	Black Veil Brides			4:12	We Stitch These Wounds	2010	Eb Drop Db	mute	1970-01-01
Planet Caravan	Black Sabbath			4:19	Paranoid	1970	E Standard	mute	1970-01-01
Pocket full of stars	Nine black alps			3:28	Surf Up!	2007	E Standard	mute	1970-01-01
Praetorius (Courante)	Blackmore's Night			2:00	Fires At Midnight	2001	E Standard	mute	1970-01-01
Psycho Man	Black Sabbath			5:21	Reunion	1998	C# Standard	mute	1970-01-01
Psychophobia	Black Sabbath			3:17	Cross Purposes	1994	Eb Standard	mute	1970-01-01
Psychotic Girl	The Black Keys	Bass2		4:13	Attack & Release	2008	E Standard	mute	1970-01-01
Pump It	The Black Eyed Peas			3:37	Monkey Business	2005	E Standard	mute	1970-01-01
Rain	Blackmill			6:03	Reach For Glory	2011	E Standard	mute	1970-01-01
Rain Wizard	Black Stone Cherry			3:27	Black Stone Cherry	2007	Eb Drop Db	mute	1970-01-01
Raped in Hatred by Vines	The Black Dahlia Murder			4:42	Everblack	2013	C Standard	mute	1970-01-01