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
People are People	A Perfect Circle			3:43	Emotive	2004	C# Standard	mute	1970-01-01
Pet	A Perfect Circle			4:42	Thirteenth Step	2003	C# Standard	mute	1970-01-01
Rose	A Perfect Circle			3:27	Mer De Noms	2000	C# Standard	mute	1970-01-01
Stay	Perfect Plan			4:15	Jukebox Heroes	2019	E Standard	mute	1970-01-01
That Was Yesterday	Perfect Plan			4:57	Jukebox Heroes	2019	Eb Drop Db	mute	1970-01-01
The Doomed	A Perfect Circle			4:45	Eat the Elephant	2018	E Standard	mute	1970-01-01
The Hollow	A Perfect Circle			3:00	Mer de Noms	2000	C# Standard	mute	1970-01-01
The Noose	A Perfect Circle			4:55	Thirteenth Step	2003	C# Standard	mute	1970-01-01
The Package	A Perfect Circle			9:25	Thirteenth Step	2003	C# Standard	mute	1970-01-01
Thinking Of You	A Perfect Circle	Combo		4:34	Mer De Noms (Sea Of Names)	2000	C# Standard	mute	1970-01-01
Thomas	A Perfect Circle	Combo		3:29	Mer De Noms	2000	C# Standard	mute	1970-01-01
Vanishing	A Perfect Circle	Combo		4:52	Thirteenth Step	2003	C# Standard	mute	1970-01-01
Weak And Powerless	A Perfect Circle			3:16	Thirteenth Step	2003	C# Standard	mute	1970-01-01
Weak and Powerless (Tilling My Grave Mix)	A Perfect Circle			3:06	Underworld: Music From the Motion Picture	2003	C# Standard	mute	1970-01-01