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
Black Mountain in C	Jesus Christ			1:09	Bluegrass	2018	E Standard	mute	1970-01-01
Black Napkins	Frank Zappa			4:18	Zoot Allures	1976	E Standard	mute	1970-01-01
Black Night	Deep Purple			3:30	Black Night Single - 1970	1970	E Standard	mute	1970-01-01
Black Night	Joe Bonamassa			4:22	Sloe Gin	2007	E Standard	mute	1970-01-01
Black Night White Light	Frankie Goes To Hollywood			4:09	Welcome To The Pleasure Dome	1984	D Standard	mute	1970-01-01
Black Ninja	Battle Beast			4:04	Battle Beast	2013	E Standard	mute	1970-01-01
Black No 1	Type O Negative			11:17	Bloody kisses	1993	B Standard	mute	1970-01-01
Black Of Night	King Diamond			4:03	Give Me Your Soul... Please	2007	E Standard	mute	1970-01-01
Black Omen	Yasunori Mitsuda			3:09	Chrono Trigger Original Soundtrack	1995	E Standard	mute	1970-01-01
Black Onslaught	Daisuke Ishiwatari			4:03	BlazBlue Calamity Trigger OST	2008	D Standard	mute	1970-01-01
Black Orchid ft. John Petrucci	Marty Friedman			4:33	Loudspeaker	2006	D Standard	mute	1970-01-01
Black Planet	The Sisters Of Mercy			4:43	First and Last and Always	1985	E Standard	mute	1970-01-01
Black Rain	Soundgarden			4:41	Telephantasm	2010	Drop D	mute	1970-01-01
Black Revelation	Asmodee			3:35	Aequilanx	1997	E Standard	mute	1970-01-01
Black Rock Shooter	supercell feat. Hatsune Miku			4:47	Black Rock Shooter Animation Original Soundtrack & Remixes	2011	E Standard	mute	1970-01-01