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
Black Ninja	Battle Beast			4:04	Battle Beast	2013	E Standard	mute	1970-01-01
Enter The Ninja	Die Antwoord			4:34	O	2009	Eb Drop Db	mute	1970-01-01
Ninja	Europe			3:49	The Final Countdown	1986	E Standard	mute	1970-01-01
Ninja Gaiden	Minibosses			4:12	Brass	2005	E Standard	mute	1970-01-01
Ninja Gaiden - Act 4 Stage 2	Ninja Gaiden - Act 4 Stage 2			2:54	Ninja Gaiden - Act 4 Stage 2	1986	E Standard	mute	1970-01-01
Ninja Gaiden 1 Medley	Keiji Yamagishi			1:32	Ninja Gaiden 1	1988	E Standard	mute	1970-01-01
Ninja Gaiden 2 Intro	Mayuko Okamura			1:35	Ninja Gaiden 2	1990	E Standard	mute	1970-01-01
Ninja Gaiden II Soundtrack Battling Precariously 2-2, 4-2, 5-1a,7-2	Ninja Gaiden II Soundtrack Battling Precariously 2-2, 4-2, 5-1a,7-2			4:09	Ninja Gaiden II Soundtrack Battling Precariously 2-2, 4-2, 5-1a,7-2	1988	E Standard	mute	1970-01-01
Ninja Rap	Vanilla Ice			3:50	Teenage Mutant Ninja Turtles II - The Secret of the Ooze: The Original Motion Picture Soundtrack	1991	E Standard	mute	1970-01-01
Ninjascape	Ashane			4:52	Ninja Gaiden II OC ReMix	2005	E Standard	mute	1970-01-01
Skeleton Ninja	Vargskelethor			0:57	Skeleton Metal	2014	E Standard	mute	1970-01-01
Space Ninjas From Hell	Victorius			3:18	Space Ninjas From Hell	2019	D Drop C	mute	1970-01-01
Space Ninjas From Hell Full Album	Victorius			46:16	Space Ninjas From Hell	2019	D Drop C	mute	1970-01-01
Teenage Mutant Ninja Turtles Theme	Dennis C. Brown & Chuck Lorre			2:31	Teenage Mutant Ninja Turtles Soundtrack	1987	E Standard	mute	1970-01-01
The Hit (Ft. Ninja Sex Party)	TWRP			4:31	2Nite	2015	E Standard	mute	1970-01-01