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
Zoom	Last dinosaurs			4:00	In a Million Years	2012	E Standard	mute	1970-01-01
Zoot Suit Riot	Cherry Poppin' Daddies			3:55	Zoot Suit Riot	1997	Eb Standard	mute	1970-01-01
Zora's Domain	Koji Kondo (Original) ZREO (Reorchestrated)			1:35	Ocarina of Time - Complete	2009	E Standard	mute	1970-01-01
Zora's Domain Night	Breath Of The Wild Soundtrack			4:40	Breath Of The Wild Soundtrack	2017	Eb Drop Db	mute	1970-01-01
Zorba The Greek	Chet Atkins			3:06	Lover's Guitar	1969	Custom Tuning	mute	1970-01-01
Zos Kia Kultus	Behemoth			5:35	Zos Kia Kultus	1999	Custom Tuning	mute	1970-01-01
Zu Grunde	Der Weg einer Freiheit			4:52	Unstille	2012	Eb Standard	mute	1970-01-01
Zu Spät	Die Ärzte			2:52	Debil	1984	E Standard	mute	1970-01-01
Zu Spät (Live)	Die Ärzte			5:17	Die Nacht der Dämonen	2013	Eb Standard	mute	1970-01-01
Zulu	Blink-182			2:12	Cheshire Cat	1994	E Standard	mute	1970-01-01
Zupa Kalafiorowa	Kabanos			4:05	Flaki z Olejem	2010	Drop D	mute	1970-01-01
Zurui yo Magnetic today	Maki Nishikino and Nico Yazawa			4:20	Zurui yo Magnetic today	2014	E Standard	mute	1970-01-01
Zver	Nautilus Pompilius			7:14	Titanik	1994	E Standard	mute	1970-01-01
Zvezda	Kino			4:31	Kino	1990	E Standard	mute	1970-01-01
Zwischen Den Welten	Akrea			4:47	Lügenkabinett	2010	D Standard	mute	1970-01-01