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
Mario Kart 64 Frappe Snowland	CSGuitar89			2:11	Youtube Channel	2010	E Standard	mute	1970-01-01
Mario Kart 64 Rainbow Road	CSGuitar89			3:15	Youtube Channel	2010	E Standard	mute	1970-01-01
Mario Kart 64 Rainbow Road Backing Track	CSGuitar89			3:15	Youtube Channel	2010	E Standard	mute	1970-01-01
Mario Kart 8	Atsuko Asahi			3:01	Mario Kart 8 OST	2015	E Standard	mute	1970-01-01
Marionetki	Korol I Shut			3:38	Trader of Nightmares	2006	E Standard	mute	1970-01-01
Mark The Graves	Linkin Park			5:09	The Hunting Party	2014	Drop D	mute	1970-01-01
Mark The Lines	Veil Of Maya			4:03	The Common Man's Collapse	2008	Custom Tuning	mute	1970-01-01
Mark Tremonti - Legato Exercises	You			0:29	Guitar Exercises	2016	Eb Standard	mute	1970-01-01
Mark of the Blade	Whitechapel			2:57	Mark of the Blade	2016	Custom Tuning	mute	1970-01-01
Marked	Bad Religion			1:51	Stranger Than Fiction	1994	Eb Standard	mute	1970-01-01
Marked by Evil	Aria			6:08	Armageddon	2006	Eb Standard	mute	1970-01-01
Market Square Heroes	Marillion			4:00	B-Sides Themselves	1982	E Standard	mute	1970-01-01
Market Theme	Koji Kondo			1:02	The Legend of Zelda: Ocarina of Time	1998	E Standard	mute	1970-01-01
Markovian Process	Bad Religion			1:32	Stranger Than Fiction	1994	Eb Standard	mute	1970-01-01
Marrakesh Express	Crosby Stills & Nash			2:39	Crosby Stills & Nash	1969	E Standard	mute	1970-01-01