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
Reckoning Day	Megadeth			4:41	Youthanasia	1994	Eb Standard	mute	1970-01-01
Reconquering the Throne	Kreator			4:16	Violent Revolution	2001	D Standard	mute	1970-01-01
Red Hill Mining Town	U2			4:53	The Joshua Tree	1987	E Standard	mute	1970-01-01
Red Morning	Devics			4:44	The Stars at Saint Andrea	2003	E Standard	mute	1970-01-01
Red Sky Warning	Ice Nine Kills			4:08	Safe Is Just A Shadow	2010	Eb Drop Db	mute	1970-01-01
Red Water (Christmas Mourning)	Type O Negative			6:56	October Rust	1996	B Standard	mute	1970-01-01
Red Wings Over Baron	Powerglove			7:50	Metal Kombat For The Mortal Man	2007	Custom Tuning	mute	1970-01-01
Reeling	Then Jerico			5:39	The Big Area	1988	E Standard	mute	1970-01-01
Reeling In the Years	Steely Dan			4:34	Can't Buy a Thrill	1972	E Standard	mute	1970-01-01
Reforging The Crowns	Hour Of Penance			3:33	Regicide	2014	A Standard	mute	1970-01-01
Refreshing Morning	Atkahiro Unisuga			2:21	The Legend of Heroes: Sen no Kiseki Original Soundtrack	2013	E Standard	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
Reinventing Your Exit	Underoath			4:27	They're Only Chasing Safety	2004	Drop D	mute	1970-01-01
Reiwa Matching Sedai	HANABIE.			3:34	Girl's Reform Manifest	2021	Drop D	mute	1970-01-01
Relapsing	Beartooth			3:59	Disgusting	2014	D Drop C	mute	1970-01-01