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
(Empty) Tankard	Tankard			4:48	Zombie Attack	1986	E Standard	mute	1970-01-01
115	Elena Siegman			3:51	Black Ops Zombies Soundtrack	2011	D Drop C	mute	1970-01-01
115	Elena Siegman			3:53	Call of Duty: Black Ops Zombies	2010	Custom Tuning	mute	1970-01-01
115 (Pitch-Shift Tone)	Kevin Sherwood & Elena Siegman			3:52	Call of Duty: Black Ops - Zombies Soundtrack	2011	EADGBd#	mute	1970-01-01
Abracadavre	Elena Siegman			6:06	Call of Duty: Black Ops (Zombies Soundtrack)	2011	B Drop A	mute	1970-01-01
Abracadavre (Pitch-Shift Tone)	Kevin Sherwood & Elena Siegman			6:06	Call of Duty: Black Ops - Zombies Soundtrack	2011	Drop D	mute	1970-01-01
Acid Death	Tankard			4:19	Zombie Attack	1987	E Standard	mute	1970-01-01
Alcohol	Tankard			2:12	Zombie Attack	1987	E Standard	mute	1970-01-01
Anatomy	The Devil Wears Prada			3:47	Zombie	2010	C# Drop B	mute	1970-01-01
Atsuku Nare	FranChouChou			4:46	Zombieland Saga	2018	E Standard	mute	1970-01-01
Beauty Of Annihilation (Der Riese)	Elena Siegman			4:29	Nazi Zombies	2011	E Standard	mute	1970-01-01
Beauty of Annihilation (Pitch-Shift Tone)	Kevin Sherwood & Elena Siegman			4:33	Call of Duty: Black Ops - Zombies Soundtrack	2011	E Standard	mute	1970-01-01
Cat Mobile	Messer Chups			2:37	Zombie Shopping	2007	E Standard	mute	1970-01-01
Damned	Kevin Sherwood			3:20	Call Of Duty: Black Ops Zombies	2011	E Standard	mute	1970-01-01
Emo Cthulhu	The Dollyrots			2:49	Love Songs, Werewolves & Zombies	2014	E Standard	mute	1970-01-01