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	Atreyu			3:12	Congregation of the Damned	2009	D Drop C	mute	1970-01-01
Ravishing Ruby	Tom T Hall			2:28	Tom T Hall Greatest Hits Vol 2	1973	E Standard	mute	1970-01-01
Reading My Eyes (Live)	Linkin Park			3:19	LP Underground 6.0	2006	Eb Drop Db	mute	1970-01-01
Rebel Yell	Billy Idol			4:49	Greatest Hits	1983	E Standard	mute	1970-01-01
Rebel Yell (Billy Idol Cover)	Dope			4:08	No Regrets	2009	Eb Drop Db	mute	1970-01-01
Red	Motograter			3:49	Motograter	2003	Drop D	mute	1970-01-01
Red Berry Joy Town	The Wonder Stuff			2:55	Eight Legged Groove Machine	1988	E Standard	mute	1970-01-01
Red Lenses	Rush			4:55	Grace Under Pressure	1984	E Standard	mute	1970-01-01
Red Sector A	Rush			5:18	Grace Under Pressure	1984	E Standard	mute	1970-01-01
Reflection Room	INVENT ANIMATE			3:55	Greyview	2020	AEADG	mute	1970-01-01
Regeneration	Stone Temple Pilots			4:03	Shangri-La Dee Da	2001	E Standard	mute	1970-01-01
Regress	Polaris			3:29	The Guilt & The Grief	2016	Custom Tuning	mute	1970-01-01
Reinventing The Wheel To Run Myself Over	Fall Out Boy			2:24	Take This To Your Grave	2003	E Standard	mute	1970-01-01
Remember When	Alan Jackson			4:33	Grestest Hits Volume II	2003	E Standard	mute	1970-01-01
Resurrect With A Vengeance	HateSphere			4:20	The Great Bludgeoning	2011	C Standard	mute	1970-01-01