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
Nuvole e lenzuola	Negramaro			3:22	Mentre tutto scorre	2005	Custom Tuning	mute	1970-01-01
O Green World	Gorillaz			4:28	Demon Days	2005	E Standard	mute	1970-01-01
O Senhor do Tempo	Charlie Brown Junior			3:26	Imunidade Musical	2005	E Standard	mute	1970-01-01
O' Sailor	Fiona Apple			4:47	Extraordinary Machine	2005	E Standard	mute	1970-01-01
Obstacles	Syd Matters			3:32	Someday We Will Foresee Obstacles	2005	E Standard	mute	1970-01-01
Occasion Avenue	Helloween			11:08	Keeper of the Seven Keys: The Legacy	2005	Custom Tuning	mute	1970-01-01
Ocean Planet	Gojira			5:32	From Mars to Sirius	2005	D Standard	mute	1970-01-01
Octavarium	Dream Theater	Bass2		20:05	Octavarium	2005	E Standard	mute	1970-01-01
Octavarium	Dream Theater			24:07	Octavarium	2005	E Standard	mute	1970-01-01
Ode to the Sun	Dredg			4:12	Catch Without Arms	2005	Eb Drop Db	mute	1970-01-01
Of All The Gin Joints In All The World	Fall Out Boy			3:15	From Under The Cork Tree	2005	Drop D	mute	1970-01-01
Oh, The Guilt	Nirvana			3:29	Sliver: The Best of the Box	2005	Eb Standard	mute	1970-01-01
Okupa De Tu Corazon	El Sueño de Morfeo			3:45	El Sueño de Morfeo	2005	E Standard	mute	1970-01-01
Old School Hollywood	System Of A Down			3:00	Mezmerize	2005	Eb Drop Db	mute	1970-01-01
Old Times Cruelty	Antestor			4:09	The Forsaken	2005	E Standard	mute	1970-01-01