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
Unstable World... Crazy Gadget	Sonic Adventure 2	Bass2		2:55	Sonic Adventure 2	2001	E Standard	mute	1970-01-01
Until the Grave	Paradise Lost			5:44	Medusa	2017	Custom Tuning	mute	1970-01-01
Untraveled Road	Thousand Foot Krutch			3:58	Oxygen:Inhale	2014	C# Drop B	mute	1970-01-01
Up The Bracket	The Libertines			2:50	Up The Bracket	2002	E Standard	mute	1970-01-01
Upon the Shores (Bonus Track)	Trivium			5:24	Shogun	2008	E Standard	mute	1970-01-01
Uptown Top Ranking	Althea & Donna			3:59	Uptown Top Ranking (Single)	1977	E Standard	mute	1970-01-01
Ura-Omote Lovers	Hatsune Miku			3:09	The monochrome disc	2009	E Standard	mute	1970-01-01
Ura-omote Lovers	Hatsune Miku			3:05	The monochrome disc	2009	E Standard	mute	1970-01-01
Uragiri no Yuuyake	Theatre Brook			3:33	Durarara!! OST	2010	E Standard	mute	1970-01-01
Uranoid	Diabarha			5:16	Uranoid	2012	Custom Tuning	mute	1970-01-01
Utauyo!! MIRACLE	Houkago Tea Time			4:05	Utauyo!! MIRACLE	2010	E Standard	mute	1970-01-01
Uurastaja	Viikate			3:56	Kuutamo, kaiho ja katkeruus	2008	Custom Tuning	mute	1970-01-01
Uvertyura	Catharsis			2:33	Крылья (Wings)	2005	E Standard	mute	1970-01-01
Vaalbara	ERRA			4:20	Impulse	2011	C Drop Ab	mute	1970-01-01
Vaginal Scratching	Jig-Ai			2:09	Katana Orgy	2008	B Drop A	mute	1970-01-01