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
Push	Helloween			4:50	Better Than Raw	1998	Eb Standard	mute	1970-01-01
READY STEADY GO (Cover)	Afterglow			3:48	BanG Dream! Girls Band Party! Cover Collection Vol.1	2018	E Standard	mute	1970-01-01
Rakuen Made	How-Low-Hello			4:28	Smells Like Tea,Espresso	2015	E Standard	mute	1970-01-01
Real	How-Low-Hello			4:25	Smells Like Tea,Espresso	2015	E Standard	mute	1970-01-01
Red Phoenix	Faceless Clown			5:07	No name	2015	D Standard	mute	1970-01-01
Refuge	Jake Howsam Lowe			5:25	Oh Earth	2019	Eb Standard	mute	1970-01-01
Rejection	40 Below Summer			4:03	Invitation to the Dance	2001	C# Drop B	mute	1970-01-01
Remember	Flow			3:23	Best of Naruto	2006	E Standard	mute	1970-01-01
Remember Me (ft. Ryo Kinoshita)	Our Hollow, Our Home			3:35	Burn in the Flood	2021	A Drop G	mute	1970-01-01
Remembering Sunday	All Time Low			4:19	So Wrong, It's Right	2007	E Standard	mute	1970-01-01
Reptile	Helloween			3:48	Walls Of Jericho	1985	E Standard	mute	1970-01-01
Rest In Peace	Yellowcard			4:11	Yellowcard	2016	D Drop C	mute	1970-01-01
Resurgence of Hate	Hateplow			3:49	The Only Law Is Survival	2000	B Standard	mute	1970-01-01
Revelation	Helloween			8:22	Better Than Raw	1998	Eb Drop Db	mute	1970-01-01
Ride On Shooting Star	The Pillows			2:25	Fooly Cooly OST 3	2000	E Standard	mute	1970-01-01