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
Raped in Hatred by Vines	The Black Dahlia Murder			4:42	Everblack	2013	C Standard	mute	1970-01-01
Raspberry Jam Delta-V	Joe Satriani			5:24	Crystal Planet	1998	E Standard	mute	1970-01-01
Raven	Aria			5:45	Chimera	2001	E Standard	mute	1970-01-01
Raven	Aria			5:55	Himera	2001	Eb Standard	mute	1970-01-01
Ravenheart	Xandria	Bass2		3:46	Ravenheart	2004	D Standard	mute	1970-01-01
Ravenwing	Altaria			4:30	Invitation	2003	E Standard	mute	1970-01-01
Rayon de Soleil	William Baldé			5:10	En corps étranger	2008	F Standard	mute	1970-01-01
Re-Wired	Kasabian			4:44	Velociraptor!	2011	E Standard	mute	1970-01-01
Re:Re:	Asian Kung-Fu Generation			5:35	Re:Re: - Single	2016	E Standard	mute	1970-01-01
Re:birth day	Roselia			4:31	Roselia 2nd single Re:birth day	2017	Drop D	mute	1970-01-01
Reach Out for the Light	Avantasia			6:35	The Metal Opera, Parts I & II	2008	Eb Standard	mute	1970-01-01
Reach for the Sky (TEST, NO DD)	Social Distortion			3:35	Sex, Love and Rock 'n' Roll	2004	E Standard	mute	1970-01-01
Real Great Britain	Asian Dub Foundation			3:13	Community Music	2000	E Standard	mute	1970-01-01
Reason Is Treason	Kasabian	Bass2		4:39	Kasabian	2003	E Standard	mute	1970-01-01
Rebirth Of The Temple	Silent Civilian			4:20	Rebirth of the Temple	2006	D Drop C	mute	1970-01-01