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
Rise	MattyyyM			3:30	The Rising of the Shield Hero (Opening) METAL Cover	2019	E Standard	mute	1970-01-01
Sacrifice	MattyyyM			4:17	To The Abandoned Sacred Beasts (Opening) MattyyyM Cover	2019	Drop D	mute	1970-01-01
Sansan Days	MattyyyM			1:56	My Dress-Up Darling OP MattyyyM Cover	2022	E Standard	mute	1970-01-01
Sign	MattyyyM			1:34	Naruto Shippuden (Epic Rock Cover)	2018	E Standard	mute	1970-01-01
Sing My Pleasure	MattyyyM			4:53	Vivy -Fluorite Eye's Song- (Opening) MattyyyM Cover	2021	E Standard	mute	1970-01-01
Slump	MattyyyM			2:21	Tower of God (Ending) MattyyyM Cover	2020	E Standard	mute	1970-01-01
Some Like it Hot (Samurai Heart)	MattyyyM			3:14	Gintama Ending 17 MattyyyM Cover	2020	E Standard	mute	1970-01-01
Sora ni Utaeba	MattyyyM			3:34	My Hero Academia Opening 3 Full	2017	E Standard	mute	1970-01-01
Sorairo Days	MattyyyM			4:16	Tengen Toppa Gurren Lagann (Opening) MattyyyM Cover	2022	E Standard	mute	1970-01-01
Stand Proud	MattyyyM			4:41	JoJo's Bizarre Adventure (Opening 3) MattyyyM Cover	2020	B Drop A	mute	1970-01-01
Stone Ocean	MattyyyM			3:28	JoJo's Bizarre Adventure Part 6 OP	2021	E Standard	mute	1970-01-01
Sympathy	MattyyyM			4:50	Highschool DxD Opening 2 MattyyyM Cover	2022	E Standard	mute	1970-01-01
The Hero!!	MattyyyM			3:48	One Punch Man (Opening) MattyyyM Cover	2020	Drop D	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
This Game	MattyyyM			4:47	No Game No Life Full Opening MattyyyM Cover	2017	E Standard	mute	1970-01-01