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 (Movie Ver.)	RADWIMPS			4:49	Kimi no na wa	2016	E Standard	mute	1970-01-01
Zenith	DAITA			5:29	EUPHONY	2003	E Standard	mute	1970-01-01
Zenith	Ghost			6:11	Zenith	2015	D Drop C	mute	1970-01-01
Zenith	Huntress			3:58	Starbound Beast	2013	D Standard	mute	1970-01-01
Zero Signal	Fear Factory			5:56	Demanufacture	1995	BEADG	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-Point Energy	Gravemind			3:14	Conduit	2019	Custom Tuning	mute	1970-01-01
Zeta - Toki wo Koete	Ayukawa Mami			3:40	Soundtrack	1985	E Standard	mute	1970-01-01
Zeta Reticoli	Meganoidi			3:28	Outside the Loop, Stupendo Sensation	2003	E Standard	mute	1970-01-01
Zetsubou Billy	Maximum the Hormone			3:48	Death Note OST	2007	Drop D	mute	1970-01-01