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
Zen Zen Zense	MattyyyM			4:40	Kimi no Na wa MattyyyM Rock Cover	2018	E Standard	mute	1970-01-01
Zen Zen Zense	RADWIMPS			4:48	Kimi no Na wa	2016	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
Zenland	Eric Johnson & Alien Love Child			4:25	Live and Beyond	2000	E Standard	mute	1970-01-01
Zerfall	Der Weg einer Freiheit			10:33	Unstille	2012	Eb Standard	mute	1970-01-01
Zero	Alter Bridge			4:42	AB III	2010	Custom Tuning	mute	1970-01-01
Zero	Imagine Dragons			3:33	Origins	2018	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	Yeah Yeah Yeahs			4:30	It's Blitz!	2009	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 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