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
Resident Evil 2 - Scenario B Ending Theme	Capcom			2:38	Resident Evil 2 OST	1998	Custom Tuning	mute	1970-01-01
Resident Evil 2 Ending Theme B	Masami Ueda			2:37	Resident Evil 2 OST	1998	E Standard	mute	1970-01-01
Resident Evil 4 Save Theme	Capcom			1:58	Resident Evil 4	2004	E Standard	mute	1970-01-01
Resident Evil Main Theme	Marilyn Manson			2:12	Resident Evil: Music From And Inspired By The Original Motion Picture	2002	E Standard	mute	1970-01-01
Restless Heart Syndrome	Green Day			4:23	21st Century Breakdown	2009	D Standard	mute	1970-01-01
Restless Heart Syndrome (E STD)	Green Day			4:22	21st Century Breakdown	2009	E Standard	mute	1970-01-01
Return Of The Nemesis	Deathchain			3:29	Deathrash Assault	2005	D Standard	mute	1970-01-01
Return To Me	Unleash The Archers			5:44	Abyss	2020	BEADG	mute	1970-01-01
Return to Metalopolis	Chris Poland			3:09	Return to Metalopolis	1990	E Standard	mute	1970-01-01
Rev Thinks the Beatles Are Death Metal	Vargskelethor			0:44	The Revnarok	2014	E Standard	mute	1970-01-01
Revenge Of The Nameless Ranger	Modern Baseball			2:36	MoBo Presents The Perfect Cast EP 2015	2014	Eb Standard	mute	1970-01-01
Revival America	Impending Doom			2:38	The Serpent Servant	2009	AEADG	mute	1970-01-01
Revolution Is My Name	Pantera			5:22	Reinventing The Steel	2000	D Standard	mute	1970-01-01
Rick and Morty Metal Theme	Rick and Morty			0:32	Rick and Morty OST	2017	E Standard	mute	1970-01-01
Rick and Morty Theme	Rick and Morty			0:41	The Rick and Morty Soundtrack	2018	E Standard	mute	1970-01-01