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
Is There Anybody Out There	Machine Head			4:35	Is There Anybody Out There	2016	Custom Tuning	mute	1970-01-01
Kaleidoscope	Machine Head			4:07	Catharsis	2018	Custom Tuning	mute	1970-01-01
Killers & Kings	Machine Head			4:35	Bloodstone & Diamonds	2014	C# Drop B	mute	1970-01-01
Locust	Machine Head			7:39	Unto The Locust	2011	Custom Tuning	mute	1970-01-01
Message In a Bottle	Machine Head			3:32	The Burning Red	1998	Drop D	mute	1970-01-01
Night Of Long Knives	Machine Head			6:48	Bloodstone & Diamonds	2014	Custom Tuning	mute	1970-01-01
Nothing Left	Machine Head			4:07	The Burning Red	1999	C# Drop B	mute	1970-01-01
Now I Lay Thee Down	Machine Head			5:37	The Blackening	2007	Custom Tuning	mute	1970-01-01
Now We Die	Machine Head			7:10	Bloodstone & Diamonds	2014	C# Drop B	mute	1970-01-01
Old	Machine Head			4:10	Burn My Eyes	1994	D Standard	mute	1970-01-01
Only The Names	Machine Head			6:10	Supercharger	2001	Custom Tuning	mute	1970-01-01
Pearls Before The Swine	Machine Head			7:22	Unto The Locust	2011	Custom Tuning	mute	1970-01-01
Real Eyes Realize Real Lies	Machine Head			2:50	Burn My Eyes	1994	C# Standard	mute	1970-01-01
Sail Into The Black	Machine Head			8:30	Bloodstone & Diamonds	2014	Custom Tuning	mute	1970-01-01
Sail into the Black (b.alt)	Machine Head			8:29	Bloodstone and Diamonds	2014	C# Drop B	mute	1970-01-01