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
Blackened Edit	Metallica			6:06	...And Justice For All	1988	Eb Standard	mute	1970-01-01
Blackened Seed (eno's Version)	Nothgard			4:57	Age of Pandora	2014	Custom Tuning	mute	1970-01-01
Blackened Sun	Get The Shot			3:59	Infinite Punishment	2017	Eb Drop Db	mute	1970-01-01
Blackened Waters	Black Label Society			3:59	The Blessed Hellride	2003	D Standard	mute	1970-01-01
Blackest Eyes	Porcupine Tree			4:26	In Absentia	2003	Drop D	mute	1970-01-01
Blackest Eyes	Porcupine Tree			4:26	In Absentia	2002	Drop D	mute	1970-01-01
Blackest Magick in Practice	Cradle Of Filth			6:53	Hammer of the Witches	2015	D Standard	mute	1970-01-01
Blackflies	Gordon Downie	Bass2		4:01	Coke Machine Glow	2001	E Standard	mute	1970-01-01
Blackhawk Down	Rancid			1:44	Rancid 2000	2000	E Standard	mute	1970-01-01
Blackhearted	Norther			4:21	Mirror Of Madness	2003	E Standard	mute	1970-01-01
Blackhole Artist	Utsu-P			4:20	MOKSHA	2012	B Drop A	mute	1970-01-01
Blackjack	Airbourne			2:45	Runnin' Wild (Australian Pressing)	2007	E Standard	mute	1970-01-01
Blackjack	Nobuo Uematsu			3:08	Final Fantasy 6 OST	1994	E Standard	mute	1970-01-01
Blacklist	Bring Me the Horizon			4:03	There Is a Hell Believe Me I've Seen It. There Is a Heaven Let's Keep It a Secret. (Deluxe Version)	2010	A Drop G	mute	1970-01-01
Blacklist	Exodus			6:17	Tempo of the Damned	2004	D Standard	mute	1970-01-01