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
Under The Dome	Jinjer			4:53	King Of Everything	2016	B Drop A	mute	1970-01-01
Under The Guillotine	Kreator			4:41	Pleasure To Kill	1986	D Standard	mute	1970-01-01
Under the Rotting Pizza	Shotaro Shima			3:05	Final Fantasy VII Remake Origi	2020	E Standard	mute	1970-01-01
Under the rose	HIM			4:49	Dark Light	2005	E Standard	mute	1970-01-01
Underneath It All	No Doubt			5:02	Rock Steady	2001	E Standard	mute	1970-01-01
Understand	Asian Kung-Fu Generation			3:48	Kimi Tsunagi Five M	2003	E Standard	mute	1970-01-01
Understatement	New Found Glory			3:13	Sticks and Stones	2002	E Standard	mute	1970-01-01
Underworld	Evile			4:17	Skull	2013	Eb Standard	mute	1970-01-01
Undivided	Asking Alexandria			3:35	The Black	2016	Custom Tuning	mute	1970-01-01
Undress for Success	Mclusky			2:48	Mcluskyism	2006	E Standard	mute	1970-01-01
Unexpected (ft. Sam Arrag)	Change Of Loyalty			4:27	Breathtaker	2015	Bb Drop Ab	mute	1970-01-01
Unfaithful	Rhianna			3:47	A Girl Like Me	2006	E Standard	mute	1970-01-01
Unforgettable Greenery of Connection	ZUN			3:38	Touhou 15: Legacy of Lunatic Kingdom OST	2015	E Standard	mute	1970-01-01
Unholy And Rotten	Midnight			3:38	Complete And Total Fucking Midnight	2007	Eb Standard	mute	1970-01-01
Unholy Confessions	Avenged Sevenfold			4:48	Waking The Fallen	2003	Drop D	mute	1970-01-01