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
Uncle Remus	Frank Zappa & The Mothers Of Invention			2:56	Apostrophe (')	1974	E Standard	mute	1970-01-01
Uncle Sam Goddamn	Brother Ali			5:02	The Undisputed Truth	2007	E Standard	mute	1970-01-01
Uncle Tom's Cabin	Warrant			4:06	Cherry Pie	1990	Eb Drop Db	mute	1970-01-01
Unconditional	Prong			4:45	Prove You Wrong	1991	E Standard	mute	1970-01-01
Uncontrollable	Ito Kanako			4:25	CHAOS CHILD OP	2017	E Standard	mute	1970-01-01
Undecided	Silverchair			4:40	Frogstomp	1995	Drop D	mute	1970-01-01
Undefeatable	Valtari			4:17	Hunter's Pride	2014	D Standard	mute	1970-01-01
Under	The Death Riders			3:24	Soundtrack for Depression	2005	D Standard	mute	1970-01-01
Under An Ashen Sky	Call Us Forgotten			4:15	A Hope Remains	2011	D Drop C	mute	1970-01-01
Under Azure Skies	Anata			5:41	The Infernal Depths of Hatred	1998	C# Standard	mute	1970-01-01
Under Fire	Cloudscape			5:29	Cloudscape	2004	Eb Standard	mute	1970-01-01
Under Ghost Towns Moon	Kitty In A Casket			3:19	Horror Express	2009	E Standard	mute	1970-01-01
Under Huntress Moon	Cradle Of Filth			7:01	Thornography	2006	D Standard	mute	1970-01-01
Under My Skin	Aerosmith			3:48	Just Push Play	2001	Drop D	mute	1970-01-01
Under Our Spell	The Dazzlings			1:54	My Little Pony: Equestria Girls: Rainbow Rocks	2014	E Standard	mute	1970-01-01