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
Lullaby	The Black Velvet Band			4:50	King Of Myself	1992	E Standard	mute	1970-01-01
Malenchantments of the Necrosphere	The Black Dahlia Murder			4:21	Ritual	2011	C Standard	mute	1970-01-01
Maple Summer	Black Foxxes			4:37	I'm Not Well	2016	E Standard	mute	1970-01-01
Marcianito metal 100 REAL NO FAKE	The Black Project			2:56	unknown	1999	E Standard	mute	1970-01-01
Mary	Black Bomb A			3:50	Speech of freedom	2004	D Drop C	mute	1970-01-01
Master Of Insanity	Black Sabbath			6:02	Dehumanizer	1992	Eb Standard	mute	1970-01-01
Matoya's Cave	The Black Mages			4:46	The Black Mages II The Skies Above	2004	E Standard	mute	1970-01-01
Matriarch	The Black Dahlia Murder			3:27	Nightbringers	2017	C Standard	mute	1970-01-01
Maybe I'm a Lion	The Black Mages			5:37	The Black Mages II	2004	E Standard	mute	1970-01-01
Me And Mary Jane	Black Stone Cherry			4:14	Magic Mountain	2014	Eb Drop Db	mute	1970-01-01
Meet Me In the City	The Black Keys			3:48	Chulahoma	2006	E Standard	mute	1970-01-01
Megalomania	Black Sabbath			9:41	Sabotage	1975	E Standard	mute	1970-01-01
Megalomania	Black Sabbath	Bass2 Bass3		9:48	Sabotage (2013 Remaster)	1975	C# Standard	mute	1970-01-01
Memmingen	Blackmore's Night			1:09	Shadow Of The Moon	1997	E Standard	mute	1970-01-01
Miasma	The Black Dahlia Murder			4:45	Miasma	2005	C Standard	mute	1970-01-01