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
Gwyn, Lord of Cinder	Motoi Sakuraba			3:46	Dark Souls Original Soundtrack	2011	E Standard	mute	1970-01-01
Gwyn, Lord of Cinder	Motoi Sakuraba/Isac Saleh			3:07	Dark Souls OST	2015	Custom Tuning	mute	1970-01-01