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
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
Zulu	Blink-182			2:12	Cheshire Cat	1994	E Standard	mute	1970-01-01
Zvenit Yanvarskaya Vyuga	Vanilla Sky			3:51	Heroes At The Bottom	2014	D Standard	mute	1970-01-01
Zzzonked	Enter Shikari			3:31	Common Dreads	2009	Drop D	mute	1970-01-01
Zöld Bíbor És A Fekete	Deák Bill Gyula,Tunyogi Péter,Varga Miklós,Vikidál Gyula	Bass2		4:21	Zöld Bíbor És a Fekete(Bencsik Sándor Emlékére)	1995	E Standard	mute	1970-01-01
a garota do baile	roberto carlos			3:25	roberto carlos canta para a juventude	1965	E Standard	mute	1970-01-01
a historia de um homem mau	Roberto carlos- lincolnjer			2:31	roberto carlos canta para a juventude	1965	E Standard	mute	1970-01-01
abc weapons	G.I.S.M.			1:23	Detestation	1983	E Standard	mute	1970-01-01
abcdefu (angrier)	GAYLE			2:44	Single	2021	E Standard	mute	1970-01-01
abcdefu (angrier) (b.alt)	GAYLE			2:44	Single	2021	Custom Tuning	mute	1970-01-01
all-around	Kishida Kyoudan & THE Akeboshi Rockets			3:56	POPSENSE	2011	E Standard	mute	1970-01-01
always with me always with you	Joe Satriani			3:40	Electric Joe Satriani	2003	E Standard	mute	1970-01-01
aquele beijo que te dei	roberto carlos- lincoln			2:36	roberto carlos canta para a juventude	1965	E Standard	mute	1970-01-01