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
Unchain Utopia	Epica			4:48	The Quantum Enigma	2014	Custom Tuning	mute	1970-01-01
Uncomfortably Numb ft. Hayley Williams	American Football			4:15	American Football	2019	Custom Tuning	mute	1970-01-01
Unconscious	DVSR			5:25	D.V.S.R	2015	Custom Tuning	mute	1970-01-01
Undaunted	Adrenaline Mob			4:50	Omertá	2012	D Drop C	mute	1970-01-01
Undead	Hollywood Undead			4:26	Swan Song	2008	D Drop C	mute	1970-01-01
Undead Stillborn	Legion Of The Damned			4:01	Sons Of The Jackal	2007	C# Standard	mute	1970-01-01
Undefeatable	SEGA SOUND TEAM, Tomoya Ohtani, Kellin Quinn			4:27	Sonic Frontiers Original Soundtrack: Stillness & Motion	2022	Custom Tuning	mute	1970-01-01
Under A Godless Sky	Rose Funeral			3:00	Crucify. Kill. Rot.	2007	C# Drop B	mute	1970-01-01
Under A Killing Moon	Thrice			2:46	Artist In The Ambulance	2003	D Drop C	mute	1970-01-01
Under Again	Bullet For My Valentine			4:14	Gravity	2018	Custom Tuning	mute	1970-01-01
Under An Ashen Sky	Call Us Forgotten			4:15	A Hope Remains	2011	D Drop C	mute	1970-01-01
Under Azure Skies	Anata			5:41	The Infernal Depths of Hatred	1998	C# Standard	mute	1970-01-01
Under Black Flags We March	Arch Enemy			4:42	Khaos Legions	2011	C Standard	mute	1970-01-01
Under Blackened Banners	Alestorm			4:43	Seventh Rum of a Seventh Rum	2022	C Standard	mute	1970-01-01
Under Blackened Banners for Dogs	Alestorm			4:43	Seventh Rum of a Seventh Rum for Dogs	2022	C Standard	mute	1970-01-01