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
Zelda House Theme	CSGuitar89			2:46	Hymns Of Light And Shadows	2012	E Standard	mute	1970-01-01
Zelda's Lullabye	CSGuitar89			1:35	Youtube Channel	2010	E Standard	mute	1970-01-01
Zelda's Theme	Kōji Kondō/Sungha Jung			3:11	The Legend of Zelda	2012	E Standard	mute	1970-01-01
Zen	Strapping Young Lad			5:05	Alien	2005	D Drop C	mute	1970-01-01
Zenith	Huntress			3:58	Starbound Beast	2013	D Standard	mute	1970-01-01
Zero	The Smashing Pumpkins			2:42	Mellon Collie and the Infinite Sadness	1995	Eb Standard	mute	1970-01-01
Zero Chance	Soundgarden			4:22	Down on the Upside	1996	E Standard	mute	1970-01-01
Zero no Kiseki Super Arrange Version - Inevitable Struggle	Yukihiro Jindo			4:30	The Legend of Heroes Zero no Kiseki Super Arrange Version	2011	E Standard	mute	1970-01-01
Zeta - Toki wo Koete	Ayukawa Mami			3:40	Soundtrack	1985	E Standard	mute	1970-01-01
Zetsubou Billy	Maximum the Hormone			3:48	Death Note OST	2007	Drop D	mute	1970-01-01
Zetsubou ni Sayonara	Kagerou			3:27	Shinjuuka	2006	D Standard	mute	1970-01-01
Zetsubousei: Hero Chiryouyaku	Suzumu feat. Soraru			3:22	Danganronpa the Animation ED	2013	E Standard	mute	1970-01-01
Zettai Kibou Birthday (TV Size)	Megumi Ogata			1:37	Danganronpa 3: The End of Hope's Peak High School - Despair Arc ED	2016	Eb Standard	mute	1970-01-01
Zettai Zetsumei	Co Shu Nie			2:33	PURE	2019	E Standard	mute	1970-01-01
Zettaiteki Sanpunkan	Sokoninaru			3:14	ISSEN	2019	E Standard	mute	1970-01-01