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
Master Of Disharmony	Dimmu Borgir			4:18	Enthrone Darkness Triumphant	1997	E Standard	mute	1970-01-01
Master Passion Greed	Nightwish			6:05	Dark Passion Play	2007	Drop D	mute	1970-01-01
Matataki Village	Tomohito Nishiura			1:44	Dark Cloud OST	2000	E Standard	mute	1970-01-01
Mayonaka no Door / Stay With Me	Miki Matsubara			5:11	Pocket Park	1980	E Standard	mute	1970-01-01
Mayonaka no Door / Stay With Me	Miki Matsubara			5:11	Pocket Park	1980	E Standard	mute	1970-01-01
Me and Michael	MGMT			4:50	Little Dark Age	2018	E Standard	mute	1970-01-01
Mein Ding	Udo Lindenberg			4:27	Stark wie Zwei	2008	E Standard	mute	1970-01-01
Melancholia	Entheos			4:40	Dark Future	2017	AEADG	mute	1970-01-01
Mercenary	Panic! At The Disco	Bass2		2:52	Batman - Arkham City - The Album	2011	E Standard	mute	1970-01-01
Merciless Death	Dark Angel			4:05	Darkness Descends	1986	Eb Standard	mute	1970-01-01
Merry Go Round	Kacey Musgraves			3:27	Same Trailer Different Park	2013	Eb 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
Methadone	Rise Against			3:51	The Black Market	2014	Eb Standard	mute	1970-01-01
Method To Your Madness	Metal Church			5:00	The Dark	1986	E Standard	mute	1970-01-01
Mistakes of My Youth	Eels			5:00	The Cautionary Tales of Mark Oliver Everett (Deluxe Version)	2014	E Standard	mute	1970-01-01