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
Puta Vida	SuperSubmarina			2:53	Realimentacin	2011	E Standard	mute	1970-01-01
Rauta	Korpiklaani			3:14	Manala	2012	B Drop A	mute	1970-01-01
Rautaa Rinnoista	Mokoma			4:10	Sydänjuuret	2010	AEADG	mute	1970-01-01
Rautaketju	Turmion Katilot			3:41	Hoitovirhe	2003	Drop D	mute	1970-01-01
Relentless Mutation	Archspire			4:37	Relentless Mutation	2017	Custom Tuning	mute	1970-01-01
Routasydän	Sentenced			4:23	Routasydän	2003	C# Standard	mute	1970-01-01
SORA WA TAKAKU KAZE WA UTAU	Luna Haruna			4:32	SORA WA TAKAKU KAZE WA UTAU	2012	Custom Tuning	mute	1970-01-01
Sajou No Uta	DIR EN GREY			3:17	VULGAR	2003	D Standard	mute	1970-01-01
Sedated And Amputated	Visceral Disgorge			6:00	Ingesting Putridity	2011	C# Standard	mute	1970-01-01
Shiki no Uta	Minmi			5:04	Minimi	2005	E Standard	mute	1970-01-01
Siemen Alla Routaisen Maan	Kotiteollisuus			5:26	7	2005	Eb Drop Db	mute	1970-01-01
Songwriting and Coffee (Utagaki to Coffee)	Yorushika			4:10	Dakara Boku wa Ongaku wo Yameta	2019	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
Sora ni Utaeba	amazarashi			3:41	Sora ni Utaeba	2017	E Standard	mute	1970-01-01
Sora no Ouji Hana no Utame	Maria Kawamura			5:00	GOTHICMADE -Hana no Utame- Ori	2012	E Standard	mute	1970-01-01