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
Substitutional Race of Tomorrow	Exile Into Suffery			3:42	Substitutional Race of Tomorrow	2015	B Standard	mute	1970-01-01
Substitutional World	Falconer			7:44	Falconer	2001	D Standard	mute	1970-01-01
Subterranean	Buckethead			4:07	The Boiling Pond	2013	Bb Standard	mute	1970-01-01
Subterranean Homesick Blues	Red Hot Chili Peppers			2:38	The Uplift Mofo Party Plan	1987	E Standard	mute	1970-01-01
Subtle Change	Rivers of Nihil			8:34	Where Owls Know My Name	2018	Custom Tuning	mute	1970-01-01
Subtle Hustle	Clutch			2:50	Blast Tyrant	2004	E Standard	mute	1970-01-01
Suburban me	In flames			3:37	Clayman (Reloaded Edition)	2008	C Standard	mute	1970-01-01
Suburbia	The Wonder Years			0:54	Suburbia I've Given You All and Now I'm Nothing	2011	Eb Drop Db	mute	1970-01-01
Subverse	This Or The Apocalypse			4:31	Haunt Whats Left	2010	Custom Tuning	mute	1970-01-01
Subway Temple	Dan Forden			1:57	Mortal Kombat	1995	E Standard	mute	1970-01-01
Successor of Fate - Theme of Juste Belmont	Michiru Yamane			2:06	Castlevania: Harmony of Dissonance OST	2002	E Standard	mute	1970-01-01
Succexy	Metric			3:15	Old World Underground, Where Are You Now?	2003	E Standard	mute	1970-01-01
Succubine Atrophy (Lust)	Emerge A Tyrant			5:23	The Infernal Descent	2018	D Drop C	mute	1970-01-01
Succumb	Seven Spires			3:56	Emerald Seas	2020	BEADG	mute	1970-01-01
Sucede	Extremoduro			3:08	Agila	1996	E Standard	mute	1970-01-01