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
Meat Grinder	Madvillian			2:15	Madvilliany	2002	E Standard	mute	1970-01-01
Medicated Emma	Ian McNabb			4:05	Our Future In Space	2018	E Standard	mute	1970-01-01
Meg egy nap	Ossian			3:58	Hangeromu	2003	E Standard	mute	1970-01-01
Memoirs of a Roadkill	Diablo Swing Orchestra			3:33	Sing Along Songs for the Damned & Delirious	2009	E Standard	mute	1970-01-01
Memory	Avantasia			5:46	The Metal Opera 2	2002	Eb Standard	mute	1970-01-01
Memory	Polyphia			3:40	Muse	2014	Drop D	mute	1970-01-01
Memory War	Asian Dub Foundation			3:35	Community Music	2000	E Standard	mute	1970-01-01
Mercy	Lillian Axe			4:14	Poetic Justice	1992	Eb Standard	mute	1970-01-01
Mereya	Candiria			5:01	While They Were Sleeping	2016	Eb Standard	mute	1970-01-01
Merseybeast	Ian McNabb			6:44	Merseybeast	1996	E Standard	mute	1970-01-01
Messenger	Blonde Redhead with David Sylvian			3:25	Equus	2004	E Standard	mute	1970-01-01
Messiah	Aria			4:40	Armageddon	2006	Eb Standard	mute	1970-01-01
Messiah	Hallucination Aria			4:41	Toushou Hysteria	2019	BEADG	mute	1970-01-01
Metal By Numbers	Brian Posehn			5:45	Live In: Nerd Rage	2006	C# Standard	mute	1970-01-01
Metal Gear Solid 2 Theme	Tappi Iwase, Harry Gregson-Williams			3:52	Metal Gear Solid	2002	E Standard	mute	1970-01-01