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
Old Town	The Corrs			3:10	Unplugged	1999	E Standard	mute	1970-01-01
On a Plain (Unplugged)	Nirvana			3:31	MTV Unplugged in New York	1993	Eb Drop Db	mute	1970-01-01
Plateau	Nirvana			3:42	MTV Unplugged In New York	1993	Eb Standard	mute	1970-01-01
Polly (Unplugged)	Nirvana			3:12	Unplugged In New York	1993	Eb Standard	mute	1970-01-01
Radio	The Corrs			4:51	Unplugged	1999	E Standard	mute	1970-01-01
Running On Faith	Eric Clapton			6:30	Unplugged	1994	Opend G	mute	1970-01-01
San Francisco Bay Blues (Unplugged)	Eric Clapton			3:10	Unplugged	1992	E Standard	mute	1970-01-01
Signe (arr. K. Fox)	Eric Clapton			2:58	Unplugged	2009	E Standard	mute	1970-01-01
Something In The Way (Unplugged)	Nirvana			4:04	MTV Unplugged in New York	1994	Eb Drop Db	mute	1970-01-01
Te Solté La Rienda (Unplugged)	Maná			3:27	Maná MTV Unplugged	1999	E Standard	mute	1970-01-01
The Man Who Sold The World	Nirvana			3:33	Nirvana Unplugged	1994	Eb Standard	mute	1970-01-01
The Man Who Sold The World (E STD)	Nirvana			4:24	MTV Unplugged in New York	1994	E Standard	mute	1970-01-01
The Only Thing That Looks Good On Me	Bryan Adams			4:37	Bryan Adams Unplugged	1997	E Standard	mute	1970-01-01
This Eternal Blues (Live)	Time Machine			4:15	Unplugged	1994	E Standard	mute	1970-01-01
Via Lactea	Zoe			3:45	MTV Unplugged - Musica de Fondo	2011	Custom Tuning	mute	1970-01-01