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
Rug Ride	Aladdin			4:04	Megadrive	1994	E Standard	mute	1970-01-01
Ruhe	Der Weg einer Freiheit			5:40	Der Weg einer Freiheit	2009	Eb Standard	mute	1970-01-01
Ruin	Lamb Of God			3:57	As The Palaces Burn	2003	Drop D	mute	1970-01-01
Ruina	Bleed From Within			4:14	Era	2018	C# Drop B	mute	1970-01-01
Ruins	Digimortal			3:58	Dead Planets Parade	2010	D Drop C	mute	1970-01-01
Rules for Fools	Tankard			3:59	VOL(L)UME 14	2010	Eb Standard	mute	1970-01-01
Rum Raisin Daisuki	Houkago Grind Time			1:57	Do You Love Anime? Pt. 1	2019	AEADG	mute	1970-01-01
Rumbling HWY... Mission Street	Sonic Adventure 2			2:48	Sonic Adventure 2	2001	E Standard	mute	1970-01-01
Rumbling Hearts	DenKare			4:00	INSPIRANTE	2019	Custom Tuning	mute	1970-01-01
Rumor Mill	We Are The In Crowd			3:41	Best Intentions	2011	Eb Drop Db	mute	1970-01-01
Run	Daughter			4:05	Smother	2012	E Standard	mute	1970-01-01
Run	Disturbed			3:14	The Lost Children	2011	D Drop C	mute	1970-01-01
Run	Vampire Weekend			3:58	Contra	2010	E Standard	mute	1970-01-01
Run Devil Run (SNSD Cover)	Andre & Fauzan			3:26	YouTube - BoyzGenerationJKT	2011	B Standard	mute	1970-01-01
Run For Cover	Blitz Kids			3:20	The Good Youth	2014	E Standard	mute	1970-01-01