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
Northern Lights	Lebanon Hanover			3:40	Why Not Just Be Solo	2012	E Standard	mute	1970-01-01
Norway Forest	Wu Bai			6:35	Norway Forest	1997	E Standard	mute	1970-01-01
Note To Self	Modern Baseball			3:54	Holy Ghost	2016	E Standard	mute	1970-01-01
Nothing	Crowbar			5:39	Broken Glass	1996	BEADG	mute	1970-01-01
Nothing is Forever	Caliban			4:01	The Undying Darkness	2006	D Drop C	mute	1970-01-01
Notice Me	Balance and Composure			3:14	The Things We Think We're Missing	2013	E Standard	mute	1970-01-01
Noypi	Bamboo			4:32	As The Music Plays The Band	2004	E Standard	mute	1970-01-01
Nuclear Attack	Sabaton			4:13	Attero Dominatus	2006	E Standard	mute	1970-01-01
Nuclear Misson Jam	Kelly Bailey			2:00	Half-Life OST	1999	E Standard	mute	1970-01-01
O Poeta Está Vivo	Barão Vermelho			4:25	Na Calada Da Noite	1990	E Standard	mute	1970-01-01
ORDER	BAND-MAID			3:23	Brand New Maid	2016	D Drop C	mute	1970-01-01
OWL SONG	Bill Bailey			0:30	Bewilderness	2001	E Standard	mute	1970-01-01
Occidentali's Karma	Francesco Gabbani	Bass2		3:36	Magellano	2017	Drop D	mute	1970-01-01
Occidentali's Karma	Francesco Gabbani			3:41	Magellano	2017	E Standard	mute	1970-01-01
Of Lillies and Remains	Bauhaus			3:18	Mask	1981	E Standard	mute	1970-01-01