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
Of Mist And Midnight Skies	Cradle Of Filth			8:11	The Principle Of Evil Made Fle	1994	D Standard	mute	1970-01-01
Of Sins and Shadows	Symphony X			5:01	The Divine Wings of Tragedy	1997	D Standard	mute	1970-01-01
Oh What A Circus	David Essex			3:49	Evita Soundtrack	1978	E Standard	mute	1970-01-01
Oh! Gravity	Switchfoot			2:33	Oh! Gravity	2006	Drop D	mute	1970-01-01
Ohio/Machine Gun	The Isley Brothers			9:20	Givin' It Back	1971	E Standard	mute	1970-01-01
Ojala	Silvio Rodriguez			3:36	Al Final de este Viaje	1978	D Standard	mute	1970-01-01
Old Days	Chicago			3:33	Chicago VIII	1975	E Standard	mute	1970-01-01
Old Grey Face	Twin Atlantic			2:53	Vivarium	2009	Drop D	mute	1970-01-01
Ole Fishlips Is Dead Now	Chiodos			3:59	Devil	2014	Drop D	mute	1970-01-01
Olivia Rac remix	Hotel Garuda			3:04	Olivia Rac Mix	2020	Drop D	mute	1970-01-01
Olvidalo y Volvera por mas	Hermetica			4:06	Victimas del vaciamiento	1994	E Standard	mute	1970-01-01
Omnivorous	Burn Down Eden			3:16	Ruins of Oblivion	2016	C Standard	mute	1970-01-01
On A Sea Of Blood	Amon Amarth			4:07	Jomsviking	2016	B Standard	mute	1970-01-01
On En A Marre	Bérurier Noir			4:33	Invisible	2006	E Standard	mute	1970-01-01
On Her Majesty's Secret Service	John Barry			2:39	On Her Majesty's Secret Service (Original Motion Picture Soundtrack)	1969	E Standard	mute	1970-01-01