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
Zenland	Eric Johnson & Alien Love Child			4:25	Live and Beyond	2000	E Standard	mute	1970-01-01
Zero	The Smashing Pumpkins			2:42	Mellon Collie and the Infinite Sadness	1995	Eb 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 Chance	Soundgarden			4:22	Down on the Upside	1996	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 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 to Hero	Star-Lord Band			3:22	Space Rider	2021	Eb 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
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