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
Iolite	LIQ			5:14	None	2014	Custom Tuning	mute	1970-01-01
Ire Upon The Earth	Depths			3:53	Revelation	2012	Custom Tuning	mute	1970-01-01
Iris	DIAMANTE & Breaking Benjamin			3:49	Iris	2020	Custom Tuning	mute	1970-01-01
Iris	Goo Goo Dolls			4:52	Dizzy Up the Girl	1998	Custom Tuning	mute	1970-01-01
Iron Crow Zero-Shiki	GO-ZEN			0:59	Hitoshizuku	2012	Custom Tuning	mute	1970-01-01
Iron Hands	Mandroid Echostar			4:39	Coral Throne	2016	Custom Tuning	mute	1970-01-01
Iron Moon	Fit For An Autopsy			3:24	The Great Collapse	2017	Custom Tuning	mute	1970-01-01
Iron Tusk	Mastodon			3:06	Leviathan	2004	Custom Tuning	mute	1970-01-01
Irrath	The Hirsch Effekt			6:44	Holon - Anamnesis	2012	Custom Tuning	mute	1970-01-01
Irreversible Disintegration	Abnormity			2:34	Irreversible Disintegration	2011	Custom Tuning	mute	1970-01-01
Is There Anybody Out There	Machine Head			4:35	Is There Anybody Out There	2016	Custom Tuning	mute	1970-01-01
Is it Bad at the Galapagos Syndrome?	Utsu-P			2:21	GALAPAGOS	2017	Custom Tuning	mute	1970-01-01
Island Of Fools	Alter Bridge			5:04	The Last Hero	2016	Custom Tuning	mute	1970-01-01
Isolated Insanity	Guttural Slug			3:30	Megalodon	2013	Custom Tuning	mute	1970-01-01
Isolation Point	Sentinel			3:32	The History Weave	2013	Custom Tuning	mute	1970-01-01