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
Unholy Magic Attack	Inquisition			5:50	Into the Infernal Regions of the Ancient Cult	1998	D Standard	mute	1970-01-01
Unholy War	Atheist			2:21	Piece Of Time	1989	E Standard	mute	1970-01-01
Unholy Warcry	Rhapsody			5:56	Symphony Of Enchanted Lands II: The Dark Secret	2004	E Standard	mute	1970-01-01
Unicorn	Gojira			2:10	From Mars to Sirius	2005	D Standard	mute	1970-01-01
Union (Slopes of St. Benedict)	Sabaton			4:08	The Art of War	2008	E Standard	mute	1970-01-01
United Cigar	Good Riddance			2:48	For God and Country	1995	E Standard	mute	1970-01-01
United States of Horror	Ho99o9			4:23	United States Of Horror	2017	E Standard	mute	1970-01-01
United States of Whatever	Liam Lynch			2:10	Fake Songs	2003	E Standard	mute	1970-01-01
Universe on Fire	Gloryhammer			4:06	Space 1992: Rise of the Chaos Wizards	2015	D Standard	mute	1970-01-01
Unkillable Monster	Marilyn Manson			3:44	The High End of Low	2009	E Standard	mute	1970-01-01
Unknown Male 01	Biffy Clyro			6:08	The Myth of the Happily Ever After	2021	Drop D	mute	1970-01-01
Unknown Soldier	The Casualties			3:11	On The Front Line	2004	E Standard	mute	1970-01-01
Unleash Hell	Norther			4:17	Mirror Of Madness	2003	E Standard	mute	1970-01-01
Unlimited Sin	Beast In Black			3:38	From Hell With Love	2019	E Standard	mute	1970-01-01
Unlimited Taiwan	Chthonic			4:46	Mirrors of Retribution	2009	C Standard	mute	1970-01-01