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
Ravenous	Arch Enemy			4:09	Wages Of Sin)	2001	C Standard	mute	1970-01-01
Re-Metamorphosis	Desolate Sphere			3:34	Hallucinosis - EP	2021	C Standard	mute	1970-01-01
Reason To Believe	Arch Enemy			4:49	Will To Power	2017	C Standard	mute	1970-01-01
Receipt	The Black Dahlia Murder			4:05	Abysmal	2015	C Standard	mute	1970-01-01
Red Madness And My Desire	Yuyoyuppe			2:33	Yuyoyuppe	2012	C Standard	mute	1970-01-01
Regular John	Queens of the Stone Age			4:53	Queens of the Stone Age	1998	C Standard	mute	1970-01-01
Rejoin	Dethklok			4:56	Dethalbum 3	2012	C Standard	mute	1970-01-01
Renaissance Faire	Blackmore's Night			4:22	Shadow Of The Moon	1997	C Standard	mute	1970-01-01
Reroute to Remain	In Flames			4:03	Reroute to Remain	2002	C Standard	mute	1970-01-01
Resin	In Flames			3:23	Colony	1999	C Standard	mute	1970-01-01
Respect for the Dead	Beneath The Sky			5:41	The Day The Music Died	2008	C Standard	mute	1970-01-01
Restless(Acoustic)	40 Watt Sun			7:01	The Inside Room-EP	2011	C Standard	mute	1970-01-01
Resurrect With A Vengeance	HateSphere			4:20	The Great Bludgeoning	2011	C Standard	mute	1970-01-01
Return to Tortuga	Alestorm			3:58	Seventh Rum of a Seventh Rum	2022	C Standard	mute	1970-01-01
Return to Tortuga for Dogs	Alestorm			3:58	Seventh Rum of a Seventh Rum for Dogs	2022	C Standard	mute	1970-01-01