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
Una Piba Con la Remera de Greenpeace	Patricio Rey y sus Redonditos de Ricota			3:45	Momo Sampler	2000	E Standard	mute	1970-01-01
Unabomber	The Acacia Strain			4:51	Wormwood	2010	B Standard	mute	1970-01-01
Unanswered	Suicide Silence			2:23	The Cleansing	2007	B Drop A	mute	1970-01-01
Unbelievable	Owl City			3:16	Mobile Orchestra	2015	Drop D	mute	1970-01-01
Unbreakable	Of Mice & Men			4:12	Unbreakable	2017	D Drop C	mute	1970-01-01
Unbreakable	Saving Grace			4:39	Unbreakable	2010	Eb Drop Db	mute	1970-01-01
Unbroken	Killswitch Engage			3:13	As Daylight Dies	2006	D Drop C	mute	1970-01-01
Unchain My Heart	Joe Cocker			5:03	Night Calls	1991	E Standard	mute	1970-01-01
Unchain Utopia	Epica			4:48	The Quantum Enigma	2014	Custom Tuning	mute	1970-01-01
Unchain Utopia	Epica			4:48	The Quantum Enigma	2014	BEADG	mute	1970-01-01
Uncle Albert/Admiral Halsey	Paul & Linda McCartney			5:01	Ram	1971	E Standard	mute	1970-01-01
Unclouded Day	Jesus Christ			1:05	Bluegrass	2018	E Standard	mute	1970-01-01
Uncomfortably Numb ft. Hayley Williams	American Football			4:15	American Football	2019	Custom Tuning	mute	1970-01-01
Unconditional	Dew-Scented			3:53	Inwards	2002	D Standard	mute	1970-01-01
Unconditional Love	Jaya The Cat			3:22	The New International Sound Of Hedonism	2012	E Standard	mute	1970-01-01