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
Now Loading!!!!	fourfolium			4:16	New Game! ED Single	2016	E Standard	mute	1970-01-01
Nutshell (From MTV Unplugged)	Alice In Chains			4:09	MTV Unplgged in New York	1996	Eb Standard	mute	1970-01-01
O.D.	Polyphia			3:25	New Levels New Devils	2018	Custom Tuning	mute	1970-01-01
ORDER	BAND-MAID			3:23	Brand New Maid	2016	D Drop C	mute	1970-01-01
Obscene As Cancer	Anaal Nathrakh			3:07	A New Kind of Horror	2018	Bb Standard	mute	1970-01-01
Ode To The Mets	The Strokes			5:55	The New Abnormal	2020	E Standard	mute	1970-01-01
Of Sacrifice, Loss And Reward	Kiuas			4:45	The New Dark Age	2008	D Drop C	mute	1970-01-01
Oh Me	Nirvana			3:30	MTV Unplugged In New York	1993	Eb Standard	mute	1970-01-01
On The Beach	Chris Rea			6:51	New Light Through Old Windows	1988	E Standard	mute	1970-01-01
On a Plain (Unplugged)	Nirvana			3:31	MTV Unplugged in New York	1993	Eb Drop Db	mute	1970-01-01
On the Breath of Poseidon (Segue)	Symphony X			3:05	V: The New Mythology Suite	2000	D Standard	mute	1970-01-01
On the Sunny Side of the Street	Steve Tyrell			2:56	A New Standard	1999	E Standard	mute	1970-01-01
One Track Mind	CRX			2:50	New Skin	2016	E Standard	mute	1970-01-01
One-Winged Angel (FINAL FANTASY VII) from Distant Worlds	Nobuo Uematsu			4:33	Distant Worlds and A New World Collections: music from FINAL FANTASY VII	2020	E Standard	mute	1970-01-01
Out Of The Silent Planet	Iron Maiden			6:32	Brave New World	2000	E Standard	mute	1970-01-01