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
Akuma no Ko	MattyyyM			1:33	Attack on Titan Season 4 Part 2 Ending MattyyyM Cover	2022	E Standard	mute	1970-01-01
Ashes On The Fire	MattyyyM			4:23	Attack on Titan (Season 4 OST) METAL Guitar Cover	2022	E Standard	mute	1970-01-01
Attack On Titan Opening	Sound Horizon/Andrew Foy			1:32	Attack On Titan OST	2013	Eb Standard	mute	1970-01-01
Dedicate Your Heart	Epica			5:40	Epica VS Attack on Titan	2017	BEADG	mute	1970-01-01
Guren no Yumiya	Linked Horizon			5:16	Attack on Titan	2013	E Standard	mute	1970-01-01
My War	MattyyyM			4:41	Attack on Titan Season 4 OP 6 Metal Cover	2021	E Standard	mute	1970-01-01
Shinzou wo Sasageyou!	Linked Horizon			1:33	Attack on Titan Season 2 Opening	2017	E Standard	mute	1970-01-01
The Rumbling	MattyyyM			1:56	Attack on Titan Season 4 Part 2 OP MattyyyM Cover	2022	C Drop Ab	mute	1970-01-01
The Rumbling	Skar Productions			3:03	Attack on Titan Metal Cover feat. Demiquaver	2022	B Drop A	mute	1970-01-01