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
Mechanix	Megadeth			4:28	Killing Is My Business	1985	E Standard	mute	1970-01-01
Melting Of My Marrow	Killer Be Killed			4:41	Killer Be Killed	2014	D Drop C	mute	1970-01-01
Menacing Thunder	Blood Feast			4:30	Kill For Pleasure	1987	Eb Standard	mute	1970-01-01
Metal Meltdown	Judas Priest			4:52	Painkiller	1990	E Standard	mute	1970-01-01
Metal Militia	Metallica			5:14	Kill 'Em All	1983	E Standard	mute	1970-01-01
Milk (Ode To Billy)	Anthrax			3:46	Attack of the Killer B's	1991	Eb Standard	mute	1970-01-01
Mind Of A Thief	Shogo Sakai			2:01	Mother 3 Natural Killer Soundtrack	2006	E Standard	mute	1970-01-01
Missfit	Horrorpops			3:01	Kiss Kiss Kill Kill	2008	E Standard	mute	1970-01-01
Morality Deceased	Derived From Agony			4:00	Sheepkiller	1998	C Standard	mute	1970-01-01
Mortally Wounded	At War			3:03	Ordered To Kill	1986	E Standard	mute	1970-01-01
Motivation	Sum 41			2:52	All Killer No Filler	2001	E Standard	mute	1970-01-01
Motorbreath	Metallica			3:11	Kill 'Em All	1983	E Standard	mute	1970-01-01
Murders In The Rue Morgue	Iron Maiden			4:27	Killers	1981	E Standard	mute	1970-01-01
Mutiny	Parkway Drive			3:17	Killing with a Smile	2006	C# Drop B	mute	1970-01-01
My Shit's Fucked Up	Warren Zevon			2:50	Life'll Kill Ya	2000	Drop D	mute	1970-01-01