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
Ruby Dragon	One Morning Left			3:55	Hyperactive	2021	Custom Tuning	mute	1970-01-01
Rue Morgue Radio	The Creepshow			2:46	Run For Your Life	2008	E Standard	mute	1970-01-01
Rugrats Theme	Mark Mothersbaugh			0:56	100 Kids Party	1996	E Standard	mute	1970-01-01
Rum Rage	Sticky Fingers			4:15	Land Of Pleasure	2014	E 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
Rumors Of My Demise Have Been Greatly Exaggerated	Rise Against			4:17	Siren Song Of The Counter Culture	2004	Eb Standard	mute	1970-01-01
Runaway (Ramen's Ver)	Linkin Park			3:08	Hybrid Theory	2000	Custom Tuning	mute	1970-01-01
Runaway Train	Geddy Lee			4:40	My Favourite Headache	2000	E Standard	mute	1970-01-01
Running Across The Tracks	Billy Talent			4:23	Dead Silence	2012	Drop D	mute	1970-01-01
Russian Paradise	AK 47, Noggano (Ноггано)			5:22	Gazgolder Soundtrack(Газгольдер Саундтрек)	2016	E Standard	mute	1970-01-01
Rusted From The Rain	Billy Talent			4:16	Billy Talent III	2009	Drop D	mute	1970-01-01
Ryoume Hirakeba Kikyou Saku	UNDEAD CORPORATION			3:41	Oni Togizoushi	2011	AEADG	mute	1970-01-01
S 23 Fevralia	Krasnaya Plesen			2:30	Single	2009	E Standard	mute	1970-01-01
S'only Natural	Hellogoodbye			3:17	S'only Natural	2018	E Standard	mute	1970-01-01
SAKURA MEMORIES	Poppin'Party			4:21	イニシャル/夢を撃ち抜く瞬間に! Special Edition	2020	E Standard	mute	1970-01-01