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 Red Cloud	Amorphis			5:33	Under the Red Cloud	2015	D Drop C	mute	1970-01-01
Under the Red Cloud (Full Album)	Amorphis			65:53	Under the Red Cloud	2016	Custom Tuning	mute	1970-01-01
Under the Rotting Pizza	Shotaro Shima			3:05	Final Fantasy VII Remake Origi	2020	E Standard	mute	1970-01-01
Underground	Life of Agony			4:40	River runs red	1993	D Drop C	mute	1970-01-01
Underneath the Gun	Limp Bitzkit			5:50	Results May Vary	2003	Custom Tuning	mute	1970-01-01
Undertow	As I Lay Dying			3:59	Shaped By Fire	2019	D Drop C	mute	1970-01-01
Undertow	Pain Of Salvation			4:56	Remedy Lane	2002	Drop D	mute	1970-01-01
Undertow	Sara Bareilles			4:48	Careful Confessions	2004	E Standard	mute	1970-01-01
Underwear	Royal Republic			2:05	We Are The Royal	2010	E Standard	mute	1970-01-01
Underwhelmed	Sloane			4:40	Smeared	1992	E Standard	mute	1970-01-01
Undisclosed Desires	Muse			4:01	The Resistance	2009	E Standard	mute	1970-01-01
Undress to Confess ft. Matteo Vdiva Fabbiani	Powerwolf			3:31	Missa Cantorem II	2022	Custom Tuning	mute	1970-01-01
Uneasy Hearts Weigh The Most (Tree City Sessions 2)	Dance Gavin Dance			4:14	Tree City Sessions 2	2020	Drop D	mute	1970-01-01
Unending Waves	Daylight Dies			6:54	No Reply	2002	E Standard	mute	1970-01-01
Unexpected (ft. Sam Arrag)	Change Of Loyalty			4:27	Breathtaker	2015	Bb Drop Ab	mute	1970-01-01