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
Nature Of The Beast	Ice Nine Kills			3:40	Every Trick In The Book	2015	D Drop C	mute	1970-01-01
Nature's Rebirth	Thorns of Eleanore			3:32	Nature's Rebirth	2021	AEADG	mute	1970-01-01
Navy Blue	The Story So Far			2:54	Songs Of	2014	Custom Tuning	mute	1970-01-01
Nebel	Rammstein			4:57	Mutter	2001	Custom Tuning	mute	1970-01-01
Nebula	Gru			5:48	Cosmogenesis	2010	Drop D	mute	1970-01-01
Nebulous	Klone			5:53	Here Comes the Sun	2015	Custom Tuning	mute	1970-01-01
Nebulous	Meshuggah			7:10	Nothing	2002	Custom Tuning	mute	1970-01-01
Necrophobic	Slayer			1:47	Reign in Blood	1986	Eb Standard	mute	1970-01-01
Necrosophic Blessing	Legion Of The Damned			3:48	Cult Of The Dead	2008	C# Standard	mute	1970-01-01
Need To Be Strong	Toshiro Masuda			3:09	Naruto OST	2002	E Standard	mute	1970-01-01
Need Your Love So Bad	Fleetwood Mac			4:02	The Pious Bird of Good Omen	1969	E Standard	mute	1970-01-01
Need to be strong	Naruto			3:09	Naruto	2014	E Standard	mute	1970-01-01
Neighbor	Ugly Kid Joe			4:45	America's least wanted	1992	Eb Standard	mute	1970-01-01
Neighborhood #1 (Tunnels)	Arcade Fire			4:48	Funeral	2004	E Standard	mute	1970-01-01
Neighborhood #2 (Laïka)	Arcade Fire			3:34	Funeral	2004	Custom Tuning	mute	1970-01-01