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
Motocipl	Anacondaz			4:21	Bayki Insaydera	2015	Drop D	mute	1970-01-01
Motorbreath	Metallica			3:11	Kill 'Em All	1983	E Standard	mute	1970-01-01
Mountain Song	Jane's Addiction			4:06	Nothing's Shocking	1988	E Standard	mute	1970-01-01
Moya Lyubov	Bi-2			4:59	Meow Kiss Me	2001	E Standard	mute	1970-01-01
Mr.Robot OST - DDos Hacking	Mac Quayle			1:46	Mr.Robot OST - DDos Hacking	2015	E Standard	mute	1970-01-01
Mucha Nie Siada	Kabanos			4:36	Flaki z Olejem	2010	Drop D	mute	1970-01-01
Mugen Glider	Asian Kung-fu Generation			5:10	Kimi Tsunagi Five M	2003	E Standard	mute	1970-01-01
Murders In The Rue Morgue	Iron Maiden			4:27	Killers	1981	E Standard	mute	1970-01-01
Musterion	Joe Satriani			4:34	Professor Satchafunkilus and the Musterion of Rock	2008	E Standard	mute	1970-01-01
Mutiny	Parkway Drive			3:17	Killing with a Smile	2006	C# Drop B	mute	1970-01-01
My Bones To The Sea	Harakiri For The Sky			8:10	Aokigahara	2014	C# Standard	mute	1970-01-01
My Confession	Dan Salvato			3:11	Doki Doki Literature Club! (Original Soundtrack)	2017	Custom Tuning	mute	1970-01-01
My Heart Draws a Dream	L'Arc-en-Ciel			4:20	Kiss	2005	Custom Tuning	mute	1970-01-01
My Kinda Party	Jason Aldean			4:46	My Kinda Party	2010	E Standard	mute	1970-01-01
My Own Skin (ft. Camino 84)	Valiant Vermin			3:04	My Own Skin (ft. Camino 84)	2020	E Standard	mute	1970-01-01