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
Unbreakable	Saving Grace			4:39	Unbreakable	2010	Eb Drop Db	mute	1970-01-01
Uncharted	Sara Bareilles			3:41	Kaleidoscope Heart	2011	E Standard	mute	1970-01-01
Under The Sea	Samuel E. Wright			3:26	The Little Mermaid	1992	E Standard	mute	1970-01-01
Under the Sea (From "The Little Mermaid")	Samuel E. Wright			3:15	Disney Classics	1989	E Standard	mute	1970-01-01
UnderHeavenDestruction	Yoshihiro Kusano			4:12	BlazBlue OST	2008	D Standard	mute	1970-01-01
Underdog	Kasabian	Bass2		4:37	West Ryder Pauper Lunatic Asylum	2009	E Standard	mute	1970-01-01
Undertale Main Theme	Toby Fox/Isac Saleh			4:01	Undertale OST	2018	E Standard	mute	1970-01-01
Undertow	Pain Of Salvation			4:56	Remedy Lane	2002	Drop D	mute	1970-01-01
Undertow	Sara Bareilles			4:48	Careful Confessions	2004	E Standard	mute	1970-01-01
Unhallowed	Rings Of Saturn			1:05	Ultu Ulla	2017	E Standard	mute	1970-01-01
Union (Slopes of St. Benedict)	Sabaton			4:08	The Art of War	2008	E Standard	mute	1970-01-01
Unstoppable	Saviour			4:03	First Light To My Death Bed	2013	Bb Drop Ab	mute	1970-01-01
Unstoppable Momentum	Joe Satriani			5:18	Unstoppable Momentum	2013	Eb Standard	mute	1970-01-01
Unsympathetic Intellect	Rings of Saturn			4:21	Lugal Ki En	2014	Custom Tuning	mute	1970-01-01
Until I Too Dissolve	Ihsahn			5:30	Arktis	2016	AEADG	mute	1970-01-01