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
Part I: Warm-Up Exercises (Left Hand)	John Petrucci			3:52	Rock Discipline	2000	E Standard	mute	1970-01-01
Part II - Beyond The Gate	Wretched			6:32	Beyond The Gate	2010	C# Drop B	mute	1970-01-01
Part II: Warm-Up Exercises (Right Hand)	John Petrucci			5:32	Rock Discipline	2000	E Standard	mute	1970-01-01
Part III: Warm-Up Exercise (Syncronization of Both Hands)	John Petrucci			1:26	Rock Discipline	2000	E Standard	mute	1970-01-01
Part IX-35: Final Song	John Petrucci			2:22	Rock Discipline	2000	E Standard	mute	1970-01-01
Part VIII: Right Hand Techniques (Sweep-Picking)	John Petrucci			1:12	Rock Discipline	2000	E Standard	mute	1970-01-01
Part-Time Lover	Stevie Wonder	Bass2		3:47	In Square Circle	1985	Eb Standard	mute	1970-01-01
Passion's Killing Floor-Tenebroso	HIM			5:13	Venus Doom	2007	E Standard	mute	1970-01-01
Peace - A Theme	King Crimson			1:19	In The Wake Of Poseidon	1970	E Standard	mute	1970-01-01
Pearly-Dewdrops' Drops	Cocteau Twins			4:12	The Spangle Maker	1984	E Standard	mute	1970-01-01
Pegasus Fantasy - Gresk	Angra			3:44	Angra	1990	E Standard	mute	1970-01-01
Pelados em Santos-LIVE	Mamonas Assasinas			3:10	As Melhores - Dinho	2014	E Standard	mute	1970-01-01
Pensando En Ti (Kansas Cover - Dust In The Wind)	Mägo de Oz			4:33	Love N Oz	2011	E Standard	mute	1970-01-01
People-Vultures	King Gizzard & The Lizard Wizard			4:50	Nonagon Infinity	2016	E Standard	mute	1970-01-01
Permian - The Great Dying	The Ocean			9:26	Phanerozoic I: Palaeozoic	2018	Custom Tuning	mute	1970-01-01