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
Attack On Titan Opening (Guren No Yumiya)	Linked Horizon			1:36	Jiyū e no Shingeki	2013	E Standard	mute	1970-01-01
Guren	The GazettE			5:26	Dim	2008	D Standard	mute	1970-01-01
Guren no Yumiya	Linked Horizon			5:16	Attack on Titan	2013	E Standard	mute	1970-01-01
Gurenge	LISA			4:04	Gurenge (Single)	2018	Custom Tuning	mute	1970-01-01
Gurenge	LiSa			4:02	Gurenge	2019	Drop D	mute	1970-01-01
Gurenge	MattyyyM			4:00	Demon Slayer OP	1999	Drop D	mute	1970-01-01
Gurenge (Live 2020)	LiSA			5:51	Live Youtube Video	2020	Drop D	mute	1970-01-01