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
Mothership Connection (Star Child)	Parliament			6:15	Mothership Connection	1975	E Standard	mute	1970-01-01
Mountain Song	Joe Satriani			3:34	Strange Beautiful Music	2002	E Standard	mute	1970-01-01
Moving On	Asking Alexandria			4:05	From Death To Destiny	2013	Custom Tuning	mute	1970-01-01
Moving On	King Diamond			4:06	Give Me Your Soul... Please	2007	E Standard	mute	1970-01-01
Mr Tambourine Man	William Shatner			2:52	The Transformed Man	1968	E Standard	mute	1970-01-01
Mud Hill	Samiam			3:28	Astray	2000	E Standard	mute	1970-01-01
Mugen Glider	Asian Kung-fu Generation			5:10	Kimi Tsunagi Five M	2003	E Standard	mute	1970-01-01
Murder	Katatonia			4:58	Brave Murder Day	1996	Eb Standard	mute	1970-01-01
Murderers	John Frusciante			2:41	To Record Only Water for Ten Days	2001	E Standard	mute	1970-01-01
Murka	Russian Folk			2:04	Nikakoi	1923	E Standard	mute	1970-01-01
Murmur	John Frusciante			1:59	From The Sounds Inside	2001	E Standard	mute	1970-01-01
Mustang	Asian Kung Fu Generation			4:54	Mada Minu Ashita ni	2008	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
My Accuser	Ian McNabb			3:36	Our Future In Space	2018	E Standard	mute	1970-01-01
My All	Mariah Carey	Bass2		3:49	Butterfly	1997	Custom Tuning	mute	1970-01-01