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
R.I.P. (Rock In Peace)	AC/DC			3:40	Dirty Deeds Done Dirt Cheap	1976	E Standard	mute	1970-01-01
REPETITION OF HATRED	DIR EN GREY			4:35	THE MARROW OF A BONE	2007	Eb Drop Db	mute	1970-01-01
ROTTING ROOT	DIR EN GREY			4:46	THE MARROW OF A BONE	2007	Eb Drop Db	mute	1970-01-01
RRRRafflesia	Utsu-P			3:24	None	2022	BEADG	mute	1970-01-01
Rain	Breaking Benjamin			3:27	We Are Not Alone	2004	D Drop C	mute	1970-01-01
Rain Wizard	Black Stone Cherry			3:27	Black Stone Cherry	2007	Eb Drop Db	mute	1970-01-01
Raven Land	Lake of Tears			5:41	Headstones	1995	D Standard	mute	1970-01-01
Ravenous	Killswitch Engage			2:57	Atonement	2019	D Drop C	mute	1970-01-01
Rawhide	Ensiferum			2:39	One Man Army	2015	D Standard	mute	1970-01-01
Razorblade Alley	Madness			2:46	One Step Beyond	1979	E Standard	mute	1970-01-01
Re:Try	Utata-P			5:11	None	2012	E Standard	mute	1970-01-01
Reached Out	Stone			3:52	Stone	1988	E Standard	mute	1970-01-01
Ready To Die	Post Mortem			2:17	Coroner's Office	1986	Eb Standard	mute	1970-01-01
Real Delusion	Stone			4:15	Stone	1988	E Standard	mute	1970-01-01
Reapers	Muse			6:04	Drones	2015	Drop D	mute	1970-01-01