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
Maiden in Black	Shunsuke Kida			4:31	Demon's Souls Original Soundtrack	2009	E Standard	mute	1970-01-01
Majestic Beast	Amorphis			4:24	Skyforger	2009	D Standard	mute	1970-01-01
Malevolence	A Plea For Purging			3:56	Depravity	2009	C# Drop B	mute	1970-01-01
Mama Se!	K3			3:51	Mama Se	2009	E Standard	mute	1970-01-01
Marching Towards Exinction	Conducting From The Grave			5:21	When Legends Become Dust	2009	D Drop C	mute	1970-01-01
Mariana's Trench	August Burns Red			4:23	Constellations	2009	D Drop C	mute	1970-01-01
Mariana's Trench	August Burns Red			4:21	Constellations	2009	D Drop C	mute	1970-01-01
Martirio de otro	Panda			3:24	Poetics Acto 2	2009	Eb Standard	mute	1970-01-01
Martyr of the Free Word	Epica			5:06	Design Your Universe	2009	BEADG	mute	1970-01-01
Maybe	Sick Puppies			3:31	Tri-Polar	2009	Drop D	mute	1970-01-01
Maybe Tomorrow	Terry Bush			2:18	Maybe Tomorrow: Theme from the TV Series The Littlest Hobo	2009	E Standard	mute	1970-01-01
Maze	savage genius			4:46	PandoraHearts Original SoundTrack1	2009	E Standard	mute	1970-01-01
Me Adora	Pitty			4:34	Chiaroscuro	2009	E Standard	mute	1970-01-01
Meddler	August Burns Red			3:56	Constellations	2009	D Drop C	mute	1970-01-01
Meddler	August Burns Red			3:56	Constellations	2009	D Drop C	mute	1970-01-01