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
Resolve	Foo Fighters			4:51	In Your Honor	2005	E Standard	mute	1970-01-01
Resolve	Haste The Day			2:55	Dreamer	2008	D Drop C	mute	1970-01-01
Restless Natives	BIG COUNTRY			4:10	Look Away B-Side	1986	E Standard	mute	1970-01-01
Resurrect With A Vengeance	HateSphere			4:20	The Great Bludgeoning	2011	C Standard	mute	1970-01-01
Resurrection Blvd	DevilDriver			4:01	Pray for Villains	2009	D Drop C	mute	1970-01-01
Retrieving My Carcass	Fleshgod Apocalypse			4:13	Oracles	2009	B Standard	mute	1970-01-01
Retrieving My Carcass	Fleshgod Apocalypse			4:11	Oracles	2009	Custom Tuning	mute	1970-01-01
Retrospective Kyoto, Japanese Beautiful Barrage	Demetori			5:07	Wild and sullen	2018	Custom Tuning	mute	1970-01-01
Retrovertigo	Mr. Bungle			5:06	California	1999	E Standard	mute	1970-01-01
Return To The Eve	Celtic Frost			4:08	Morbid Tales	1984	E Standard	mute	1970-01-01
Return of the Vampire...1993	Mercyful Fate			5:12	In the Shadows	1993	E Standard	mute	1970-01-01
Returning The Smile You Have Had From The Start	Emery			3:07	The Question	2005	Eb Drop Db	mute	1970-01-01
Rev Thinks the Beatles Are Death Metal	Vargskelethor			0:44	The Revnarok	2014	E Standard	mute	1970-01-01
Reve Of Mirrors	Thousand Leaves			3:45	Lunatic Dawn	2012	Eb Standard	mute	1970-01-01
Reveal	Yossi Sassi Band			3:38	Illusion of Choice	2018	Custom Tuning	mute	1970-01-01