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
Armored Armadillo	Megaman X			1:02	Megaman X	1993	E Standard	mute	1970-01-01
Awake Road Again - Highway Stage	Megaman X7			1:30	Megaman X7	2003	Drop D	mute	1970-01-01
Blaze Heatnix	Megaman X6			2:15	Megaman X6	2001	E Standard	mute	1970-01-01
Boss Theme	Megaman X8			2:58	Megaman X8 Soundtrack	2004	Custom Tuning	mute	1970-01-01
Bubbleman Stage	Megaman 2			0:50	Megaman 2	1988	E Standard	mute	1970-01-01
Darkman Castle	Megaman 5			2:09	Megaman 5	1992	E Standard	mute	1970-01-01
Departure Mythos Ver.	Megaman Zero 2			3:40	Remastered Tracks Rockman Zero Mythos	2010	D Drop C	mute	1970-01-01
Dr Willy's Castle	Megaman			2:35	Megaman 2	1988	E Standard	mute	1970-01-01
Dr Wily Stage 1	Megaman 9			0:57	Megaman 9	2008	E Standard	mute	1970-01-01
Dr Wily Stage 2	Megaman 10			1:17	Megaman 10	2010	E Standard	mute	1970-01-01
Dr Wily's Castle 2	Megaman 3			0:49	Megaman 3	1990	E Standard	mute	1970-01-01
Esperanto	Megaman Zero 4			1:12	Megaman Zero 4	2005	Custom Tuning	mute	1970-01-01
Esperanto - Mythos Ver.	Megaman Zero 4			3:07	Remastered Tracks Rockman Zero Mythos	2010	Drop D	mute	1970-01-01
Esperanto - Physis Ver.	Megaman Zero 4	Bass2		3:43	Remastered Tracks Rockman Zero Physis	2005	Custom Tuning	mute	1970-01-01
Falling Down - Physis Ver.	Megaman Zero 4			1:32	Remastered Tracks Rockman Zero Physis	2005	E Standard	mute	1970-01-01