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
Message	The Sketchbook			4:22	Sket Dance OP	2012	E Standard	mute	1970-01-01
Messages	A Flock Of Seagulls			2:55	A Flock Of Seagulls	1982	E Standard	mute	1970-01-01
Messages	Orchestral Manoeuvres in the Dark			4:48	Orchestral Manoeuvres in the Dark	1980	E Standard	mute	1970-01-01
Mest' Garry	Korol i Shut			3:10	Bunt Na Korable	2004	E Standard	mute	1970-01-01
Mesubuta no Ketsu ni Binta (Kick mo)	Maximum the Hormone			2:46	Yoshu Fukushu	2013	E Standard	mute	1970-01-01
Metal Black	Venom			3:14	Metal Black	2006	C# 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 Gear Solid 3: Theme	Harry Gregson-Williams/Isac Saleh			1:24	Metal Gear Solid 3: Snake Eater OST	2013	Drop D	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
Metal Kombat for the Mortal Man	Powerglove			3:39	Metal Kombat for the Mortal Man	2007	Eb Drop Db	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
Metalliolut	Teräsbetoni			3:36	Maailma Tarvitsee Sankareita	2010	E Standard	mute	1970-01-01
Metamorfose Ambulante	Raul seixas			3:57	Krig-ha, Bandolo!	1973	E Standard	mute	1970-01-01
Meteor	Akrea			4:05	Lügenkabinett	2010	D Standard	mute	1970-01-01