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
Introduced Species	Hands Like Houses			4:06	Unimagine	2013	Custom Tuning	mute	1970-01-01
Introducing the Fearless Flyers	The Fearless Flyers			2:26	The Fearless Flyers	2018	E Standard	mute	1970-01-01
Introduction	Michael Romeo			3:51	War of the Worlds, Pt. I	2018	D Standard	mute	1970-01-01
Introduction	Poppin'Party x Ayasa			3:48	Introduction	2021	E Standard	mute	1970-01-01
Introduction, Pt. 2	Michael Romeo			2:45	War of the Worlds Pt 2	2022	D Standard	mute	1970-01-01
Introspection	Ihsahn			5:40	Eremita	2012	Drop D	mute	1970-01-01
Invective (feat. Joss Allen)	Rabea Massaad			1:56	Grinding Gears 2	2020	B Drop A	mute	1970-01-01
Invention 1 (in C major)	Johann Sebastian Bach			1:29	Classical Music Project (CMP)	2015	E Standard	mute	1970-01-01
Invention 2 (in C minor)	Johann Sebastian Bach			1:48	Classical Music Project (CMP)	2015	E Standard	mute	1970-01-01
Invert The Inverted Cross	Horde			3:13	Hellig Usvart	1994	E Standard	mute	1970-01-01
Inverted Cross	Ketzer			5:04	Satan's Boundaries Unchained	2009	Eb Standard	mute	1970-01-01
Invictus	Lamb of God			4:15	Resolution	2012	Eb Drop Db	mute	1970-01-01
Invincible	Amaranthe			3:13	The Nexus	2013	C Standard	mute	1970-01-01
Invincible	Dear Mother			3:29	Bulletproof	2021	AEADG	mute	1970-01-01
Invincible	Muse			5:00	Black Holes And Revelations	2006	Custom Tuning	mute	1970-01-01