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
Ryusei	Aoi Eir			4:17	Sword Art Online Alternative Gun Gale Online OP	2018	E Standard	mute	1970-01-01
ryusei dive	heidi.			4:48	the best 2006-2016	2013	D Drop C	mute	1970-01-01