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
Unforgettable Greenery of Connection	ZUN			3:38	Touhou 15: Legacy of Lunatic Kingdom OST	2015	E Standard	mute	1970-01-01
Unforgiven	Creed			3:41	My Own Prison	1997	Drop D	mute	1970-01-01
Unfunky UFO	Parliament			4:28	Mothership Connection	1975	E Standard	mute	1970-01-01
Unfurnished & One Thing To Live	Lagwagon			4:48	Double Plaidinum	1997	E Standard	mute	1970-01-01
Unholy And Rotten	Midnight			3:38	Complete And Total Fucking Midnight	2007	Eb 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
Unicorn Wizard	Ninja Sex Party			3:06	Strawberries and Cream	2013	E Standard	mute	1970-01-01
Unidos por el Metal	Zenobia			4:42	Unidos por el Metal	2010	Eb Standard	mute	1970-01-01
United Hate	Malevolent Creation			3:38	Invidious Dominion	2010	C# Standard	mute	1970-01-01
Unity	311			3:36	Music	1991	E Standard	mute	1970-01-01
Universal Truth	Opeth			7:23	In Cauda Venenum	2019	E Standard	mute	1970-01-01
Universe Momentum	Obscura			4:36	Cosmogenesis	2009	Custom Tuning	mute	1970-01-01
Unknown Civilization	Laur			4:12	The Angel's Message	2018	Drop D	mute	1970-01-01