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
Megan	Bad Astronaut			3:03	Smoking Popes Tribute	2003	E Standard	mute	1970-01-01
Moon Over Kara-Shehr	Emperor			5:22	Nordic Metal "A Tribute To Euronymous"	1995	E Standard	mute	1970-01-01
Mu Empire	Glassjaw			3:47	Worship and Tribute	2002	Drop D	mute	1970-01-01
Of Whips and Strings	Super Guitar Bros			4:43	ampire Variations: A Musical Tribute to Castlevania	2011	E Standard	mute	1970-01-01
Paranoid (Live)	Ozzy Osbourne			2:59	Tribute	1987	E Standard	mute	1970-01-01
Suicide Solution	Ozzy Osbourne			4:19	Tribute	1987	E Standard	mute	1970-01-01
Suicide Solution (Live)	Ozzy Osbourne			7:46	Tribute	1987	E Standard	mute	1970-01-01
The Chauffeur	Deftones			5:26	The Duran Duran Tribute Album	1997	Drop D	mute	1970-01-01
The KKK Took My Baby Away	Marilyn Manson			3:41	We're a Happy Family: A Tribute to Ramones	2003	E Standard	mute	1970-01-01
Vivaldi Tribute	Tina S			2:34	Vivaldi Tribute	2013	E Standard	mute	1970-01-01
When A Blind Man Cries	Metallica			4:32	Re-Machined: A Tribute to Deep Purple's Machine Head	2012	Eb Standard	mute	1970-01-01
When You Say Nothing At All	Alison Krauss			4:25	Keith Whitley A Tribute Album	1995	E Standard	mute	1970-01-01