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
Observation Polaris	Shinigiwa Satellite			4:19	DEAD AGAIN	2016	Custom Tuning	mute	1970-01-01
Polaris	BLUE ENCOUNT			3:47	Polaris (Special Edition) - EP	2019	E Standard	mute	1970-01-01
Polaris	Blue Encount			3:47	Polaris	2019	Eb Standard	mute	1970-01-01
Polaris	Jimmy Eat World			4:51	Futures	2005	Eb Standard	mute	1970-01-01
Polaris	The Human Abstract			4:26	Nocturne	2006	D Standard	mute	1970-01-01
Polaris (Alt Arrangements)	Jimmy Eat World			4:51	Futures	2005	Eb Standard	mute	1970-01-01
Rust In Peace... Polaris	Megadeth			5:38	Rust In Peace	1990	E Standard	mute	1970-01-01