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
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
Undertow	Tool			5:25	Undertow	1993	Drop D	mute	1970-01-01
Underwater	Elephant Gym			4:04	Underwater	2018	E Standard	mute	1970-01-01
Underwater Garden	Septicflesh			6:51	Mystic Places Of Dawn	1994	D 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
Underworld	Evile			4:17	Skull	2013	Eb Standard	mute	1970-01-01
Underworld	Running Wild			6:24	Masquerade	1995	E Standard	mute	1970-01-01
Underworld	Symphony X			5:51	Underworld	2015	D Standard	mute	1970-01-01
Undisclosed Desires	Muse			4:01	The Resistance	2009	E Standard	mute	1970-01-01
Undivided	Asking Alexandria			3:35	The Black	2016	Custom Tuning	mute	1970-01-01
Undone	All That Remains			3:25	Overcome	2008	C# Standard	mute	1970-01-01
Undone	Failure			4:31	Magnified	1994	Eb Standard	mute	1970-01-01
Undress for Success	Mclusky			2:48	Mcluskyism	2006	E Standard	mute	1970-01-01