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
The Unbeliever	Iron Maiden			8:14	The X Factor	1995	E Standard	mute	1970-01-01
The Unbinding Truth	Daath			3:32	The Concealers	2009	D Drop C	mute	1970-01-01
The Undergroun In America/(Reprise) Sandblasted Skin	Pantera			8:02	The Great Southern Trendkill	1996	D Standard	mute	1970-01-01
The Underground in America	Pantera			4:41	The Great Southern Trendkill	1996	Custom Tuning	mute	1970-01-01
The Undertow	Polaris			4:52	Dichotomy	2013	Custom Tuning	mute	1970-01-01
The Undeveloped Story	Anberlin			3:30	Blueprints For The Blackmarket	2003	Drop D	mute	1970-01-01
The Unforgettable Fire	U2			4:51	The Unforgettable Fire	1985	E Standard	mute	1970-01-01
The Unforgiven III	Metallica			7:47	Death Magnetic	2008	E Standard	mute	1970-01-01
The Unforgiving Blade	Hammerfall			3:43	Crimson Thunder	2002	Eb Standard	mute	1970-01-01
The Unguarded Moment	The Church			4:17	Of Skins and Heart	1981	E Standard	mute	1970-01-01
The Unicorn Invasion of Dundee	Gloryhammer			4:28	Tales from the Kingdom of Fife Limited Edition	2013	D Standard	mute	1970-01-01
The Uninvited Guest	Mercyful Fate			4:19	Into The Unknown	1996	E Standard	mute	1970-01-01
The Universal	Blur			4:02	The Great Escape	1995	E Standard	mute	1970-01-01
The Unkillable Soldier	Sabaton			4:19	The War To End All Wars	2022	Custom Tuning	mute	1970-01-01
The Unknown Knows	Voivod			5:56	Nothingface	1989	E Standard	mute	1970-01-01