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
Mannequin	Aliene Ma'riage			4:01	Kairai Ningyou	1998	E Standard	mute	1970-01-01
Marked by Evil	Aria			6:08	Armageddon	2006	Eb Standard	mute	1970-01-01
Mask of the Slave	Carpathian Forest			4:15	Strange Old Brew	2001	E Standard	mute	1970-01-01
Mass Rapture	Diablo Swing Orchestra			6:03	Pandora's Piñata	2012	B Drop A	mute	1970-01-01
Matching Weights	Trespassers William			3:47	Having	2006	E Standard	mute	1970-01-01
Matière Noire	Mass Hysteria			4:45	Matière Noire	2015	D Drop C	mute	1970-01-01
Matriarch	The Black Dahlia Murder			3:27	Nightbringers	2017	C Standard	mute	1970-01-01
Mausoleum	Rs Ian Taylor			5:28	Runescape Soundtrack	2004	E Standard	mute	1970-01-01
May the Force be with you	John Williams			1:28	Star Wars OST	1977	E Standard	mute	1970-01-01
Maybe	John Frusciante			1:45	Live at Slane Castle	2003	E Standard	mute	1970-01-01
Mayfly	Belle & Sebastian			3:43	If You're Feeling Sinister	1996	E Standard	mute	1970-01-01
Me Ama	Diante do Trono			7:19	Sol da Justica	2011	E Standard	mute	1970-01-01
Me And My Monkey	Robbie Williams			7:16	Escapology	2002	E Standard	mute	1970-01-01
Me Odeie	Reação Em cadeia			3:24	Neural	2002	E Standard	mute	1970-01-01
Me Plus One	Kasabian			2:31	Empire	2006	E Standard	mute	1970-01-01