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
Midnight Blue	Nanase Aikawa			3:57	ID2	2003	E Standard	mute	1970-01-01
Midnight Blues	Gary Moore			4:59	Still Got The Blues	1990	E Standard	mute	1970-01-01
Midnight Blues	Gary Moore			5:01	Still Got the Blues	1990	E Standard	mute	1970-01-01
Mississippi Delta City Blues	Chicago			4:46	Chicago XI	1977	E Standard	mute	1970-01-01
Misty Blue	Dorothy Moore			3:42	Misty Blue	1975	E Standard	mute	1970-01-01
More Blues	Pink Floyd			2:14	Music From the Film More	1968	E Standard	mute	1970-01-01
Mr. Blue Sky	Electric Light Orchestra			5:02	Out of the Blue	1977	E Standard	mute	1970-01-01
Mr. E's Beautiful Blues	Eels			4:05	Daisies Of The Galaxy	2000	E Standard	mute	1970-01-01
My Blue Heaven	John Stevens			2:42	Red	2011	E Standard	mute	1970-01-01
My Melancholy Blues	Queen			3:33	News of The World	1977	E Standard	mute	1970-01-01
My My, Hey Hey (Out Of The Blue)	Neil Young & Crazy Horse			3:48	Rust Never Sleeps	1979	D Standard	mute	1970-01-01
Natural Blues	Moby			4:13	Play	1999	E Standard	mute	1970-01-01
Navy Blue	The Story So Far			2:54	Songs Of	2014	Custom Tuning	mute	1970-01-01
Non-Photo-Blue	Pinback			3:48	Summer In Abaddon	2004	E Standard	mute	1970-01-01
Nursing Home Blues	Dirty Rotten Imbeciles			3:52	Dealing With It	1985	E Standard	mute	1970-01-01