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
Undress to Confess ft. Matteo Vdiva Fabbiani	Powerwolf			3:31	Missa Cantorem II	2022	Custom Tuning	mute	1970-01-01
Uneasy Hearts Weigh The Most (Tree City Sessions 2)	Dance Gavin Dance			4:14	Tree City Sessions 2	2020	Drop D	mute	1970-01-01
Unending Sorceress	Unlucky Morpheus			4:48	Unfinished	2020	Custom Tuning	mute	1970-01-01
Unendlich	Der Weg einer Freiheit			5:12	Stellar	2015	Eb Standard	mute	1970-01-01
Unexpected (ft. Sam Arrag)	Change Of Loyalty			4:27	Breathtaker	2015	Bb Drop Ab	mute	1970-01-01
Unfit for human consumption	Carcass			4:34	Surgical Steel	2013	B Standard	mute	1970-01-01
Unforgettable Greenery of Connection	ZUN			3:38	Touhou 15: Legacy of Lunatic Kingdom OST	2015	E Standard	mute	1970-01-01
Unfuck The World	Prophets of Rage			4:10	Prophets of Rage	2017	Drop D	mute	1970-01-01
Unheavenly Creatures	Coheed and Cambria			4:18	Vaxis - Act I: Unheavenly Creatures	2018	Drop D	mute	1970-01-01
Unholy Confessions	Avenged Sevenfold			4:48	Waking The Fallen	2003	Drop D	mute	1970-01-01
Unholy Magic Attack	Inquisition			5:50	Into the Infernal Regions of the Ancient Cult	1998	D Standard	mute	1970-01-01
Unholy Prophecies	Necrophobic			5:44	The Nocturnal Silence	1993	D 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	Altaria			3:32	Invitation	2003	E Standard	mute	1970-01-01
Unicorn	Gojira			2:10	From Mars to Sirius	2005	D Standard	mute	1970-01-01