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
Regenerate	We Came As Romans			3:50	Regenerate	2015	Custom Tuning	mute	1970-01-01
Reggae Rock	Jackie Mittoo			2:00	Reggae Magic!	1972	E Standard	mute	1970-01-01
Reggatta de Blanc	The Police			3:06	Reggatta de Blanc	1979	E Standard	mute	1970-01-01
Regina d icuori	Litfiba			4:08	Regina	1999	E Standard	mute	1970-01-01
Regurgitated Guts	Death			3:47	Scream Bloody Gore	1987	D Standard	mute	1970-01-01
Reign Of Sadness	Exumer			3:45	Possessed By Fire	1986	E Standard	mute	1970-01-01
Reign Of The Hammer	HammerFall			2:53	Threshold	2006	Eb Standard	mute	1970-01-01
Reiketsu Nariseba	DIR EN GREY			3:39	Uroboros Remastered & Expanded	2012	Eb Drop Db	mute	1970-01-01
Reincarnate	Motionless In White			3:42	Reincarnate	2014	B Drop A	mute	1970-01-01
Reincarnation	ZUN			2:56	Phantasmagoria of Dim.Dream OST	1997	E Standard	mute	1970-01-01
Reinkaos	Dissection			4:48	Reinkaos	2006	D Standard	mute	1970-01-01
Reino Olvidado	Rata Blanca			5:35	Reino Olvidado	2008	E Standard	mute	1970-01-01
Reinventing Your Exit	Underoath			4:27	They're Only Chasing Safety	2004	Drop D	mute	1970-01-01
Reise Reise	Rammstein			4:14	Reise Reise	2004	D Drop C	mute	1970-01-01
Reise, Reise (Full Album)	Rammstein			47:45	Reise, Reise (Full Album)	2004	D Drop C	mute	1970-01-01