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
Mary	The Death Riders			5:09	Soundtrack for Depression	2005	D Standard	mute	1970-01-01
Master Plan	Simon Viklund			3:31	Payday 2 Remastered (Official Soundtrack), Vol. 1	2016	E Standard	mute	1970-01-01
Mausoleum	Rs Ian Taylor			5:28	Runescape Soundtrack	2004	E Standard	mute	1970-01-01
Maze	savage genius			4:46	PandoraHearts Original SoundTrack1	2009	E Standard	mute	1970-01-01
Meathook	Mick Gordon			6:09	DOOM: Eternal (Original Game Soundtrack)	2020	Custom Tuning	mute	1970-01-01
Mechanical Rhythm	Xenoblade Chronicles			3:08	Xenoblade Chronicles Soundtrack	2010	Drop D	mute	1970-01-01
Meet Again	Daisuke Ishiwatari			3:20	Guilty Gear XX Original Soundtrack	2002	E Standard	mute	1970-01-01
Mega Man 2 - Dr Wily's Castle Stage 1	SongeLeReveur			2:42	Game Soundtracks	2010	E Standard	mute	1970-01-01
Megaman 11 - Fuse Man Stage Instrumental	Marika Suzuki			2:42	Megaman 11 Soundtrack	2018	Custom Tuning	mute	1970-01-01
Megaman X - Storm Eagle (Rock/Metal Cover)	Lennart Alsing			2:37	MegamanX Soundtrack	2011	E Standard	mute	1970-01-01
Mexican Radio	The Death Riders			3:54	Soundtrack for Depression	2005	D Standard	mute	1970-01-01
Mia & Sebastian's Theme	La La Land Soundtrack			1:20	La La Land Soundtrack	2017	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
Minerał Fiutta	Nocny Kochanek			2:20	Kapitan Bomba - Zemsta Faraona Soundtrack	2011	D Standard	mute	1970-01-01
Minna Saikou no Tomodachi desu!	Hamaguchi Shirou			1:21	GIRLS und PANZER ORIGINAL SOUNDTRACK	2012	E Standard	mute	1970-01-01