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
Underneath Your Pillow	It Bites			5:28	Eat Me in St Louis	1989	D Standard	mute	1970-01-01
Underwater Garden	Septicflesh			6:51	Mystic Places Of Dawn	1994	D Standard	mute	1970-01-01
Underworld	Symphony X			5:51	Underworld	2015	D Standard	mute	1970-01-01
Undressed	Tiamat			7:11	Clouds	1992	D Standard	mute	1970-01-01
Undying	Prototype			2:47	Continuum	2006	D Standard	mute	1970-01-01
Unfit Earth	Napalm Death			5:07	Harmony Corruption (Remastered)	2012	D Standard	mute	1970-01-01
Unfound Mortality	Benediction			3:49	Transcend The Rubicon	1993	D Standard	mute	1970-01-01
Unfurling A Darkened Gospel	Job For A Cowboy			3:49	Ruination	2009	D Standard	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
Unicorn	Gojira			2:10	From Mars to Sirius	2005	D Standard	mute	1970-01-01
Uninvited Guest	Disturbed			3:59	Evolution	2018	D Standard	mute	1970-01-01
United By Hatred	Razor			2:44	Shotgun Justice	1990	D Standard	mute	1970-01-01
Universe on Fire	Gloryhammer			4:06	Space 1992: Rise of the Chaos Wizards	2015	D Standard	mute	1970-01-01
Unknown Soldier	Warmen			3:23	Unknown Soldier	2000	D Standard	mute	1970-01-01