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
Unearthed	Exumer			5:18	Rising From The Sea	1987	E Standard	mute	1970-01-01
Unemployed in Summertime	Emiliana Torrini			3:51	Love in the Time of Science	1999	E Standard	mute	1970-01-01
Unfamiliar	Polaris			4:06	The Guilt & The Grief	2016	Custom Tuning	mute	1970-01-01
Unforgettable	ONE OK ROCK			3:19	Eye Of The Storm	2019	E Standard	mute	1970-01-01
Unforgiven	The Go-Go's			3:25	God Bless the Go-Go's	2001	Eb Standard	mute	1970-01-01
Unfound Mortality	Benediction			3:49	Transcend The Rubicon	1993	D Standard	mute	1970-01-01
Unfunky UFO	Parliament			4:28	Mothership Connection	1975	E Standard	mute	1970-01-01
Unholy Confessions	Avenged Sevenfold			4:48	Waking The Fallen	2003	Drop D	mute	1970-01-01
Unholy Gravebirth	Infant Annihilator			4:48	The Elysian Grandeval Galèriarch	2016	AEADG	mute	1970-01-01
Unholy Magic Attack	Inquisition			5:50	Into the Infernal Regions of the Ancient Cult	1998	D Standard	mute	1970-01-01
Unholy Prophecies	Necrophobic			5:44	The Nocturnal Silence	1993	D 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
Union (Slopes of St. Benedict)	Sabaton			4:08	The Art of War	2008	E Standard	mute	1970-01-01
Union City Blue	Blondie			3:24	Eat To The Beat	1979	E Standard	mute	1970-01-01
Union of the Snake	Duran Duran			4:26	Seven and the Ragged Tiger	1983	E Standard	mute	1970-01-01