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
pure circle	JYOCHO			5:16	美しい終末サイクル / the beautiful cycle of terminal	2018	E Standard	mute	1970-01-01
rain boots	flapfrog			5:45	cirno out #1	2016	E Standard	mute	1970-01-01
refire	aldious			3:50	radiant a	2015	E Standard	mute	1970-01-01
reflections	Gordian Knot			6:59	GORDIAN KNOT	1999	E Standard	mute	1970-01-01
remedy	bridear			4:19	rise	2017	D Drop C	mute	1970-01-01
repeating yesterday	as i lay dying			4:02	shadows of security	2005	D Drop C	mute	1970-01-01
resurrectedreplayer	zts			8:36	Umineko When They Cry Chiru musicbox Red	2011	Drop D	mute	1970-01-01
ring of macchiato	OrangeCoffee			4:16	The Lounge Map Extra - night latte macchiato set	2014	E Standard	mute	1970-01-01
safeword	Static Dress			2:55	safeword (Single)	2020	Eb Drop Db	mute	1970-01-01
sailing night	OrangeCoffee			5:04	The Lounge Map Extra - night latte macchiato set	2014	E Standard	mute	1970-01-01
second skin	dying fetus			4:47	reign supreme	2012	C# Standard	mute	1970-01-01
secret base -Kimi ga Kureta Mono-	scandal			5:18	R-GIRLs ROCK!	2010	Eb Standard	mute	1970-01-01
shadow world	The Haunted			3:50	One Kill Wonder	2004	Custom Tuning	mute	1970-01-01
shiroi hada ni kuruu ai to kanashimi no rondo	Malice Mizer			5:59	Bara no Seidou	2000	E Standard	mute	1970-01-01
shithead	The Haunted			4:02	One Kill Wonder	2004	D Standard	mute	1970-01-01