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
Prom Night	Anamanaguchi			3:56	Endless Fantasy	2013	E Standard	mute	1970-01-01
Psycho Circus	Kiss			5:37	Psycho Circus	1988	Eb Standard	mute	1970-01-01
Psychopathy Red	Slayer			2:32	Psychopathy Red	2009	Eb Standard	mute	1970-01-01
Psychosadictic Design	Vulvodynia			2:26	Psychosadictic Design	2016	AEADG	mute	1970-01-01
Psychotic Reaction	The Count Five			3:09	Psychotic Reaction	1966	E Standard	mute	1970-01-01
Psycostasia	Adramelech			4:16	Psycostasia	1996	D Standard	mute	1970-01-01
Pull the Plug	Death			4:29	Leprosy	1988	D Standard	mute	1970-01-01
Pulverized Brain	Visceral Dissection			3:42	Orgy in Autopsy	2015	B Standard	mute	1970-01-01
Race With The Devil On Spanish Highway	Al Di Meola			6:19	Elegant Gypsy	1977	E Standard	mute	1970-01-01
Ramza's Theme	Hitoshi Sakimoto, Masaharu Iwata, Nobuo Uematsu			1:19	Final Fantasy Tactics OST	1997	E Standard	mute	1970-01-01
Raped By Elephants	Torsofuck			4:14	Erotic Diarrhea Fantasy	2004	Bb Standard	mute	1970-01-01
Rautaa Rinnoista	Mokoma			4:10	Sydänjuuret	2010	AEADG	mute	1970-01-01
Razor Boy	Steely Dan			3:15	Countdown To Ecstasy	1973	E Standard	mute	1970-01-01
Reality Dream III	Riverside			5:05	Second Life Syndrome	2005	Custom Tuning	mute	1970-01-01
Rebel Army Theme (PSP Version)	Nobuo Uematsu			2:32	Final Fantasy 2 PSP	2007	E Standard	mute	1970-01-01