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
Junesong Provision	Coheed and Cambria			5:23	The Second Stage Turbine Blade	2002	Drop D	mute	1970-01-01
Juoksevan veden aika	Timo Rautiainen & Trio Niskalaukaus			4:54	Kylmä Tila	2004	Drop D	mute	1970-01-01
Jupiter	Your Favorite Martian			3:39	Jupiter	2022	E Standard	mute	1970-01-01
Jurassic Park Theme	Eddie van der Meer/John Williams			1:22	Jurassic Park OST	1993	Custom Tuning	mute	1970-01-01
Jurassic Park Theme	John Williams/oldwhtman			1:59	Jurassic Park OST	2013	Custom Tuning	mute	1970-01-01
Jurassic Park Theme Acoustic	John Williams			3:32	Jurassic Park OST	1993	E Standard	mute	1970-01-01
Jurassic World Theme	Michael Giacchino/Kaminari Guitar Tabs			1:00	Jurassic World OST	2019	E Standard	mute	1970-01-01
Just A Boy	Angus And Julia Stone			3:59	A Book Like This	2007	E Standard	mute	1970-01-01
Just A Slave To Rock & Roll	Asking Alexandria			3:28	The Black	2016	C# Drop B	mute	1970-01-01
Just Like Lightnin'	Joe Satriani			4:04	Super Colossal	2006	E Standard	mute	1970-01-01
Just Look Up	Joe Satriani			4:54	Is there love in space	2004	E Standard	mute	1970-01-01
Just One Of Those Things	Diana Krall			3:11	De-Lovely (Music From The Motion Picture)	2004	E Standard	mute	1970-01-01
Just a Shadow	King Diamond			4:39	House of God	2000	E Standard	mute	1970-01-01
Justice for Saint Mary	Diablo Swing Orchestra			8:19	Pandora's Pinata	2012	Drop D	mute	1970-01-01
Justice in Murder	Coheed and Cambria			4:29	Good Apollo I'm Burning Star IV, Volume Two: No World for Tomorrow	2007	E Standard	mute	1970-01-01