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
I of Crimson Blood	Amorphis			5:08	Silent Waters	2007	D Standard	mute	1970-01-01
If Crimson Was Your Colour	Witchcraft			3:50	The Alchemist	2007	E Standard	mute	1970-01-01
Let's Go, Crimson Knight!	Yu-Peng Chen			1:35	The Stellar Moments	2021	E Standard	mute	1970-01-01
Scarlet Beyond a Crimson Dream	ZUN			1:56	The Embodiment of Scarlet Devil OST Soundtrack	2002	E Standard	mute	1970-01-01
Sign Of The Crimson Storm	Riot			4:42	Thundersteel	1988	E Standard	mute	1970-01-01
The Court of the Crimson King	King Crimson			9:30	The Court of the Crimson King	1969	E Standard	mute	1970-01-01
The Crimson	Atreyu			4:05	The Curse	2004	D Standard	mute	1970-01-01
The Crimson	Atreyu			4:04	The Curse	2004	D Drop C	mute	1970-01-01
The Day Of Crimson Skies	Eloy			5:06	The Tides Return Forever	1994	E Standard	mute	1970-01-01
Thorns Of Crimson Death	Dissection			8:09	Storm Of The Light's Bane	1995	E Standard	mute	1970-01-01
TsubameCrimson	NCIS			4:56	TsubameCrimson	2013	E Standard	mute	1970-01-01