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
Awakened By Sirens	Deadlock			5:28	Earth.Revolt	2005	C Standard	mute	1970-01-01
Battle Sirens	Knife Party ft. Tom Morello			4:07	Battle Sirens	2016	E Standard	mute	1970-01-01
Bright Siren	androp			4:26	relight	2011	E Standard	mute	1970-01-01
Call Of The Sirens	Nils			5:16	Alley Cat	2014	E Standard	mute	1970-01-01
Karma Siren	Ling Tosite Sigure			4:17	Es or S	2015	Eb Standard	mute	1970-01-01
La Sirena Varada	Héroes del Silencio			4:20	The Platinum Collection	2006	Eb Standard	mute	1970-01-01
Siren	Asian Kung-Fu Generation			5:24	Sol-fa	2004	E Standard	mute	1970-01-01
Siren Sound	Intervals			4:24	A Voice Within	2014	D Drop C	mute	1970-01-01
Sirenas	Savia			4:13	Savia	2006	E Standard	mute	1970-01-01
Sirenen	Madsen			4:22	Kompass	2015	E Standard	mute	1970-01-01
Sirenens Kald	Guttural Slug			2:44	Megalodon	2012	B Drop A	mute	1970-01-01
Sirens	Angels and Airwaves			4:22	I-Empire	2007	E Standard	mute	1970-01-01
Sirens	Coroner			5:00	Mental Vortex	1991	Eb Standard	mute	1970-01-01
Sirens	Pearl Jam			5:43	Lightning Bolt	2013	E Standard	mute	1970-01-01
Sirens	Savatage			3:42	Sirens	1985	Drop D	mute	1970-01-01