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
Randy, I Am The Liquor	Free Throw			3:09	Bear Your Mind	2017	Custom Tuning	mute	1970-01-01
Rat Bat Blue	Deep Purple			5:25	Who Do You Think We Are	1973	E Standard	mute	1970-01-01
Ravenous, Ravenous Rhinos	I Set My Friends On Fire			2:51	You Can't Spell Slaughter Without Laughter	2008	D Drop C	mute	1970-01-01
Razor	Foo Fighters			4:57	In Your Honor	2005	Drop D	mute	1970-01-01
Really?	Prince Daddy & The Hyena			4:49	I Thought You Didn't Even Like Leaving	2016	Eb Standard	mute	1970-01-01
Rebuild, Release	Sent By Ravens			2:54	Mean What You Say	2012	D Drop C	mute	1970-01-01
Reckless Abandon	Blink-182			3:16	Take Off Your Pants and Jacket	2001	E Standard	mute	1970-01-01
Reckoning Day	Megadeth			4:38	Youthanasia	1994	Eb Standard	mute	1970-01-01
Reckoning Day	Megadeth			4:41	Youthanasia	1994	Eb Standard	mute	1970-01-01
Red Flag	Slipknot			4:16	We Are Not Your Kind	2019	B Drop A	mute	1970-01-01
Reeses Pieces I don't Know Who John Cleese Is	I Set My Friends On Fire			6:26	You Can't Spell Slaughter Without Laughter	2008	D Drop C	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	The Jimi Hendrix Experience			2:52	Are You Experienced	1967	Eb Standard	mute	1970-01-01
Remove Kebab	Serbia Strong			5:09	Youtube	1980	E Standard	mute	1970-01-01
Ren and Stimpy Show (Intro)	Die Screaming Leiderhôsens			0:45	You Eediot!	1993	E Standard	mute	1970-01-01