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
Namida (Tears)	Marty Friedman			2:43	Dragon's Kiss	1988	E Standard	mute	1970-01-01
Nanohana	Gyze			5:30	Black Bride	2015	C# Standard	mute	1970-01-01
Narayan	The Prodigy			9:08	The Fat of The Land	1997	E Standard	mute	1970-01-01
Narcissus	Roisin Murphy			7:40	Narcissus	2019	E Standard	mute	1970-01-01
Narcolepsy	Third Eye Blind			3:51	Third Eye Blind	1997	Custom Tuning	mute	1970-01-01
Narnia Theme	Eddie van der Meer/Harry Gregson-Williams			1:00	The Chronicles of Narnia OST	2005	Custom Tuning	mute	1970-01-01
Nascence	Austin Wintory			1:53	Journey OST	2012	E Standard	mute	1970-01-01
Nasty	Polyphia			4:43	New Levels New Devils	2018	Drop D	mute	1970-01-01
Nasty	The Prodigy			3:26	The Day Is My Enemy	2015	Drop D	mute	1970-01-01
National Express	The Divine Comedy			5:09	Fin de Siècle	1999	E Standard	mute	1970-01-01
Natsu no Do-n!	Poppin'Party			3:44	Time Lapse	2017	E Standard	mute	1970-01-01
Natsu no Theme	Takanashi Yasuharu			1:58	Fairy Tail Original Soundtrack Vol.1	2010	E Standard	mute	1970-01-01
Natsumatsuri	Whiteberry			3:44	KISEKI -The Best of Whiteberry-	2000	E Standard	mute	1970-01-01
Natsuzora! SUN! SUN! SEVEN!	Poppin'Party			4:36	STAR BEAT! Hoshi no Kodou	2017	E Standard	mute	1970-01-01
Natural Blues	Moby			4:13	Play	1999	E Standard	mute	1970-01-01