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
Underworld	Evile			4:17	Skull	2013	Eb Standard	mute	1970-01-01
Undone	Failure			4:31	Magnified	1994	Eb Standard	mute	1970-01-01
Unendlich	Der Weg einer Freiheit			5:12	Stellar	2015	Eb Standard	mute	1970-01-01
Unfit for human consumption	Carcass			4:34	Surgical Steel	2013	B Standard	mute	1970-01-01
Unforgiven	The Go-Go's			3:25	God Bless the Go-Go's	2001	Eb Standard	mute	1970-01-01
Unholy	Kiss			3:43	Revenge	1992	Eb Standard	mute	1970-01-01
Unholy And Rotten	Midnight			3:38	Complete And Total Fucking Midnight	2007	Eb Standard	mute	1970-01-01
Unidos por el Metal	Zenobia			4:42	Unidos por el Metal	2010	Eb Standard	mute	1970-01-01
United Blood	Galneryus			1:50	Resurrection	2010	Eb Standard	mute	1970-01-01
United States of Eurasia	Muse	Bass2		5:55	THe Resistance	2009	Eb Standard	mute	1970-01-01
Unleashing The Bloodthirsty	Cannibal Corpse			3:53	Bloodthirst	1999	Bb Standard	mute	1970-01-01
Unnatural Selection	Havok			4:17	Unnatural Selection	2013	Eb Standard	mute	1970-01-01
Unravel	TK from Ling Tosite Sigure			4:03	unravel	2014	Eb Standard	mute	1970-01-01
Unraveling	Warbringer			3:25	Weapons of Tomorrow	2020	Eb Standard	mute	1970-01-01
Unreal	Amaranthe			3:38	Massive Addictive	2014	B Standard	mute	1970-01-01