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
Zero Pharaoh	Everything Everything			3:42	Get To Heaven	2015	E Standard	mute	1970-01-01
Zero Tolerance	Anthrax			3:53	For All Kings	2016	Eb Standard	mute	1970-01-01
Zero Tolerance	Death			4:51	Symbolic	1995	D Standard	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
Zeroes & Heroes	Clawfinger			4:11	Zeroes & Heroes	2003	Drop D	mute	1970-01-01
Zerstoeren	Rammstein			5:31	Rosenrot	2005	D Drop C	mute	1970-01-01
Zerstören	Rammstein			5:32	Rosenrot	2005	D Drop C	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
Zetsubousei: Hero Chiryouyaku	Suzumu feat. Soraru			3:22	Danganronpa the Animation ED	2013	E Standard	mute	1970-01-01
Zettai Kibou Birthday (TV Size)	Megumi Ogata			1:37	Danganronpa 3: The End of Hope's Peak High School - Despair Arc ED	2016	Eb Standard	mute	1970-01-01
Zettai Sengen -Recital-	Pastel Palettes			4:04	Kyu-mai flower	2019	Drop D	mute	1970-01-01