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
Naked Burn	Mastodon			3:45	Leviathan	2004	D Standard	mute	1970-01-01
Namae no nai Kaibutsu	EGOIST			1:32	Psycho Pass ED	2012	E Standard	mute	1970-01-01
Nanairo Biyori	nano.RIPE			4:33	Nanairo Biyori	2013	E Standard	mute	1970-01-01
Nancy Boy	Placebo			3:34	Placebo	1996	Custom Tuning	mute	1970-01-01
Nanook Rubs It	Frank Zappa			4:41	Apostrophe	1974	E Standard	mute	1970-01-01
Narben	Boehse Onkelz			3:54	Dopamin	2002	Eb Standard	mute	1970-01-01
Narcissistic Cannibal (feat. Skrillex & Kill The Noise)	Korn			3:11	The Path of Totality (Special Edition)	2011	AEADG	mute	1970-01-01
Nat West-Barclays-Midlands-Lloyds	Manic Street Preachers			4:37	Generation Terrorists	1992	E Standard	mute	1970-01-01
Native Blood	Silent Planet			3:04	The Night God Slept	2014	Custom Tuning	mute	1970-01-01
Native Blood	Testament			5:25	Dark Roots Of Earth	2012	C# Standard	mute	1970-01-01
Natural Blues	Moby			4:13	Play	1999	E Standard	mute	1970-01-01
Natural Born B	Utsu-P	Bass2		3:33	Shibori Kasu	2017	D Drop C	mute	1970-01-01
Natural Born Killer	Avenged Sevenfold			5:25	Nightmare	2010	Drop D	mute	1970-01-01
Nature Boy	Nick Cave and the Bad Seeds			4:49	Abattoir Blues / The Lyre of Orpheus	2004	E Standard	mute	1970-01-01
Nature Boy	Primus			5:35	Pork Soda	1993	E Standard	mute	1970-01-01