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
Marie Laveau	Volbeat			3:16	Seal The Deal & Let's Boogie	2016	D Standard	mute	1970-01-01
Marooned	Running Wild			5:22	Death or Glory	1989	E Standard	mute	1970-01-01
Martyr Waves	Polaris			3:50	The Death of Me	2020	Custom Tuning	mute	1970-01-01
Mary Jane Kelly	Volbeat			5:41	Seal The Deal & Let's Boogie	2016	E Standard	mute	1970-01-01
Master Of Disguise	Sodom			3:06	Til Death Do Us Unite	1997	C# Standard	mute	1970-01-01
Master of the Pit	Cirith Ungol			7:19	King of the Dead	1984	E Standard	mute	1970-01-01
Mellotron Scratch	Porcupine Tree			7:00	Deadwing	2005	E Standard	mute	1970-01-01
Merciless Cult	DIR EN GREY			2:57	Withering to Death	2005	Eb Drop Db	mute	1970-01-01
Mesmerized by Fire	Enforcer			4:04	Death by Fire	2013	E Standard	mute	1970-01-01
Message From Baghdad	Acrassicauda			4:04	Only the Dead See the End of the War	2010	E Standard	mute	1970-01-01
Metal Cereal	Massacration			4:03	Gates of Metal Fried Chicken of Death	2005	Eb Standard	mute	1970-01-01
Metal Is The Law	Massacration			3:59	Gates of Metal Fried Chicken of Death	2005	Drop D	mute	1970-01-01
Mexico	The Staves			4:09	Dead & Born & Grown	2012	Drop D	mute	1970-01-01
Midnight Ride	Midnight Riders			3:14	Left 4 Dead 2	2009	E Standard	mute	1970-01-01
Mimetic Flower	CROW'SCLAW			5:32	Brutal Games For Reminding Of Death	2008	C# Drop B	mute	1970-01-01