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
True Grit	Rabea Massaad			2:51	Grinding Gears 1	2018	D Drop C	mute	1970-01-01
Xepa	Rabea Massaad			1:34	Grinding Gears 2	2020	AEADG	mute	1970-01-01