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
Procastination Bass'in	Rob Scallon			1:49	Procastination Bass'in	2014	Eb Standard	mute	1970-01-01
Procedimiento Para Llegar A Un	Panda			3:15	Amantes Sunt Amentes	2006	Eb Standard	mute	1970-01-01
Prologue (World Anthem)	X JAPAN			2:38	BLUE BLOOD	1989	Eb Standard	mute	1970-01-01
Promesas Decepciones	Panda			5:03	Para Ti Con Desprecio	2005	Eb Standard	mute	1970-01-01
Promise	Matchbook Romance			4:19	Your Stories, My Alibis	2003	Eb Standard	mute	1970-01-01
Promised Land	Cast			4:42	All Change	1995	Eb Standard	mute	1970-01-01
Propaganda	Sepultra			3:36	Chaos A.D.	1991	Eb Standard	mute	1970-01-01
Prophecies	Blind Guardian			5:30	Beyond The Red Mirror	2015	Eb Standard	mute	1970-01-01
Prophecy	Iced Earth			5:52	Something Wicked This Way Come	1998	Eb Standard	mute	1970-01-01
Prophet Of Doom	Yngwie Malmsteen			5:34	War To End All Wars	2000	Eb Standard	mute	1970-01-01
Prophets	Wovenwar			4:53	Wovenwar	2014	Eb Standard	mute	1970-01-01
Proud To Wear The Holy Cross	Golden Resurrection			6:20	Glory to My King	2010	Eb Standard	mute	1970-01-01
Prowling Leather	Midnight			3:39	No Mercy For Mayhem	2014	Eb 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