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
Unreal Tournament	Lowrater			4:47	Unreal Tournament	2021	Drop D	mute	1970-01-01
Unreality	Harm's Way			2:31	Posthuman	2018	Custom Tuning	mute	1970-01-01
Unreleased Track	Yasushi Ishii/Solice			1:49	Hellsing OST	2013	E Standard	mute	1970-01-01
Unreleased Track Acoustic	Yasushi Ishii			0:57	Hellsing OST	2003	E Standard	mute	1970-01-01
Unrepentant	Trivium			4:56	The Crusade	2006	E Standard	mute	1970-01-01
Unrest	Parkway Drive			2:26	Deep Blue	2010	B Drop A	mute	1970-01-01
Unretrofied	The Dillinger Escape Plan			5:36	Miss Machine	2004	E Standard	mute	1970-01-01
Unrockbar	Die Arzte			4:03	geräusch	2003	Eb Standard	mute	1970-01-01
Unrockbar	Die Ärzte			3:55	Geräusch	2003	Eb Standard	mute	1970-01-01
Unsainted	Slipknot			4:23	We Are Not Your Kind	2019	Custom Tuning	mute	1970-01-01
Unseen	The Afterimage			4:57	Lumiere	2015	AEADG	mute	1970-01-01
Unseen Terror	Unseen Terror			3:44	Human Error	1987	C Standard	mute	1970-01-01
Unshaken	D'Angelo			3:54	Music of Red Dead Redemption 2	2019	E Standard	mute	1970-01-01
Unsilent Death	Nails			2:46	Unsilent Death	2010	D Drop C	mute	1970-01-01
Unsilent Storms In The North Abyss	Immortal			3:16	Pure Holocaust	1993	E Standard	mute	1970-01-01