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
Rossiya dlya grustnyh	Pornofilmy			3:03	V diapazone mezhdu otchayaniem i nadezhdoj	2017	E Standard	mute	1970-01-01
Rotterdam In Flames	Warbreed			4:51	History Undone	2008	D Drop C	mute	1970-01-01
Route 66	The Rolling Stones			2:24	The Rolling Stones	1964	E Standard	mute	1970-01-01
Routine Pain	Spanish Love Songs			4:31	Brave Faces Everyone	2020	Eb Drop Db	mute	1970-01-01
Runaway	Against The Current			3:38	In Our Bones	2016	Drop D	mute	1970-01-01
Running Away	Three Days Grace			4:05	One-X (Japanese Edition)	2006	Drop D	mute	1970-01-01
Ryoujoku no Ame	DIR EN GREY			4:05	THE MARROW OF A BONE	2007	Eb Drop Db	mute	1970-01-01
SCARLET POLICE on GHETTO PATROL	IOSYS			2:03	None	2015	E Standard	mute	1970-01-01
SLUG	The Ramones			2:30	Weird Tales of the Ramones	2005	E Standard	mute	1970-01-01
STAND-ALONE	Aimer			4:51	STAND-ALONE	2019	Eb Standard	mute	1970-01-01
Sacrifice	MattyyyM			4:17	To The Abandoned Sacred Beasts (Opening) MattyyyM Cover	2019	Drop D	mute	1970-01-01
Sail Into The Black	Machine Head			8:30	Bloodstone & Diamonds	2014	Custom Tuning	mute	1970-01-01
Sail into the Black (b.alt)	Machine Head			8:29	Bloodstone and Diamonds	2014	C# Drop B	mute	1970-01-01
Salt On The Earth	Skyclad			4:53	A Burnt Offering For The Bone Idol	1992	E Standard	mute	1970-01-01
Salt of the Earth	Good Tiger			4:09	We Will All Be Gone	2018	Drop D	mute	1970-01-01