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
18 Sai	Nightmare			3:30	The WORLD Ruler	2007	Eb Standard	mute	1970-01-01
Alumina	Nightmare			5:07	The World Ruler	2006	Eb Standard	mute	1970-01-01
Believe	Nightmare			2:53	Ultimate Circus	2003	Eb Standard	mute	1970-01-01
Raison d'être	Nightmare			3:52	Raison d'être	2007	Eb Standard	mute	1970-01-01
The World	Nightmare/Eddie van der Meer			1:23	Death Note OST	2016	E Standard	mute	1970-01-01
the WORLD	Nightmare			3:57	The World Ruler	2007	E Standard	mute	1970-01-01
the WORLD (Eb)	Nightmare			3:49	the WORLD Ruler	2006	Eb Standard	mute	1970-01-01