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
Jezebel	Acid Bath			4:58	When The Kite String Pops	1994	Custom Tuning	mute	1970-01-01
Jinsei Easy?	DIALOGUE			3:53	DIALOGUE1 (Jaku Chara Tomozaki Kun OP)	2021	Drop D	mute	1970-01-01
Jiyuu no tsubasa	Linked Horizon			1:32	Shingeki no Kyojin OP Single	2013	D Standard	mute	1970-01-01
John Cage Bubblegum	Stereolab			3:18	Refried Ectoplasm (Switched on Volume 2)	1995	E Standard	mute	1970-01-01
Jounetsu Utopia	DenKare			4:01	Koi to Koi Suru Utopia Vocal Collection	2016	D Standard	mute	1970-01-01
Juke on Jelly	Cory Wong			3:49	The Optimist	2018	E Standard	mute	1970-01-01
Jumbotron Hype Song (feat. Antwaun Stanley & Sonny T)	Cory Wong			3:45	The Optimist	2018	E Standard	mute	1970-01-01
Jumpin In	Joe Satriani			5:15	Unstoppable Momentum	2013	Eb Standard	mute	1970-01-01
Jumpin' Out	Joe Satriani			3:56	Unstopable Momentum	2013	Eb Standard	mute	1970-01-01
Just Got Paid	ZZ Top	Combo		4:31	The ZZ Top Six Pack	1972	Custom Tuning	mute	1970-01-01
Juujika ni Sasagu Shichijuusou	Ayane			5:03	11eyes-Resona Forma OP	2010	E Standard	mute	1970-01-01
Jätäntäntähän (Wartburg Rock)	Popeda			3:24	Kans'an Popeda	1990	E Standard	mute	1970-01-01
KABANERI OF THE IRON FORTRESS	EGOIST			4:57	Koutetsujou no Kabaneri OP Single - KABANERI OF THE IRON FORTRESS	2016	E Standard	mute	1970-01-01
Kaen	MattyyyM			3:37	Dororo OP MattyyyM Cover	2019	E Standard	mute	1970-01-01
Kaerimichi	Katou Emiri			4:10	Bakemonogatari OP2 Single - Ka	2009	E Standard	mute	1970-01-01