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
Zelda II Medley	Year200X			6:26	We Are Error	2008	Custom Tuning	mute	1970-01-01
Zemlya v iluminatore(Trava u doma)	Zemlyane			4:47	Zemlya v illuminatore	1999	E Standard	mute	1970-01-01
Zen Zen Zense	MattyyyM			4:40	Kimi no Na wa MattyyyM Rock Cover	2018	E Standard	mute	1970-01-01
Zenith	Huntress			3:58	Starbound Beast	2013	D Standard	mute	1970-01-01
Zero	Imagine Dragons			3:33	Origins	2018	E Standard	mute	1970-01-01
Zero (Solo Only)	Keiki Kobayashi			1:35	Ace Combat Zero: The Belkan War Original Soundtrack	2006	E Standard	mute	1970-01-01
Zero Percent	My Chemical Romance			2:46	Danger Days: The True Lives of the Fabulous Killjoys	2010	E Standard	mute	1970-01-01
Zero Signal	Fear Factory			5:56	Demanufacture	1995	BEADG	mute	1970-01-01
Zero Tolerance	Anthrax			3:53	For All Kings	2016	Eb Standard	mute	1970-01-01
Zero Visibility	Rise Against			4:39	The Black Market	2014	Eb Standard	mute	1970-01-01
Zero de Conduite	Tagada Jones			3:03	Descente aux Enfers	2011	Drop D	mute	1970-01-01
Zero no Kiseki Super Arrange Version - Inevitable Struggle	Yukihiro Jindo			4:30	The Legend of Heroes Zero no Kiseki Super Arrange Version	2011	E Standard	mute	1970-01-01
Zero no Mamade Iraretara	Official HIGE DANdism			5:27	MAN IN THE MIRROR	2016	E Standard	mute	1970-01-01
Zero to Hero	Star-Lord Band			3:22	Space Rider	2021	Eb Standard	mute	1970-01-01
Zeroes & Heroes	Clawfinger			4:11	Zeroes & Heroes	2003	Drop D	mute	1970-01-01