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
Repent	Yngwie Malmsteen			3:15	Spellbound	2012	Eb Standard	mute	1970-01-01
Repentless	Slayer			3:24	Repentless	2015	Eb Standard	mute	1970-01-01
Replica	Sonata Arctica			4:57	Ecliptica	2000	Eb Standard	mute	1970-01-01
Repulsion	Der weg einer freiheit			8:41	Stellar	2015	Eb Standard	mute	1970-01-01
Requiem	Yngwie Malmsteen			4:04	War to End All Wars	2000	Eb Standard	mute	1970-01-01
Requiem for the Indifferent	Epica			8:36	Requiem for the Indifferent	2012	B Standard	mute	1970-01-01
Requiem for the Living	Jeff Loomis			5:01	Requiem for the Living	2013	Eb Standard	mute	1970-01-01
Reservoir	PUP			3:20	PUP	2014	Eb Standard	mute	1970-01-01
Reservoir (S.O.F.'s Version)	PUP			3:22	PUP	2013	Eb Standard	mute	1970-01-01
Residual Blight	Kriegsmaschine			7:22	Apocalypticists	2018	B Standard	mute	1970-01-01
Respect The Wilderness	Sonata Arctica			3:55	Silence	2001	Eb Standard	mute	1970-01-01
Rest In Peace	Extreme			4:41	Rest In Peace	1992	Eb Standard	mute	1970-01-01
Restless Gypsy	W.A.S.P.			5:02	Inside the Electric Circus	1987	Eb Standard	mute	1970-01-01
Resurgence of Hate	Hateplow			3:49	The Only Law Is Survival	2000	B Standard	mute	1970-01-01
Retina Sees Rewind	Cave In			2:34	Planet of Old	2010	Eb Standard	mute	1970-01-01