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
The Man Who Can't Be Moved	The Script			4:04	The Script	2008	E Standard	mute	1970-01-01
The Man With The Machine Gun	Nobuo Uematsu			2:53	Final Fantasy VIII	1999	E Standard	mute	1970-01-01
The Mara Effect Pt.1	Spiritbox			4:38	Spiritbox	2017	C# Drop B	mute	1970-01-01
The Mara Effect Pt.3	Spiritbox			5:42	Spiritbox	2017	Custom Tuning	mute	1970-01-01
The Mara Effect, PT.2	Spiritbox			3:44	Spiritbox	2017	Eb Drop Db	mute	1970-01-01
The March Of The Black Queen	Queen			6:34	Queen II	1974	E Standard	mute	1970-01-01
The March Of The Swordmaster	Rhapsody			5:06	Power Of The Dragonflame	2002	E Standard	mute	1970-01-01
The Massacre	Exploited, The			3:05	The Massacre	1990	E Standard	mute	1970-01-01
The Massacre of Nanking	Pessimist			6:25	Call to War	2010	E Standard	mute	1970-01-01
The Matriarch	Unleash the Archers			4:06	Apex	2017	Drop D	mute	1970-01-01
The Medic	Foxing			3:33	The Albatross	2013	Opend E	mute	1970-01-01
The Meninblack (Waiting For 'Em)	The Stranglers			3:35	The UA Singles 1977-1982 (Disc 3)	1980	E Standard	mute	1970-01-01
The Mercenary	Iron Maiden			4:45	Brave New World	2000	E Standard	mute	1970-01-01
The Mercy Beat	The The			6:36	Infected	1986	E Standard	mute	1970-01-01
The Mexican	Babe Ruth			5:47	First Base	1972	E Standard	mute	1970-01-01