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
Paris By Air	Tygers Of Pan Tang			3:02	The Cage	1982	E Standard	mute	1970-01-01
Planet Claire	The B-52's			4:38	The B-52's	1979	E Standard	mute	1970-01-01
Poor Millionaire	August Burns Red			4:28	Leveler	2011	D Drop C	mute	1970-01-01
Poor Millionaire	August Burns Red			4:31	Leveler	2011	D Drop C	mute	1970-01-01
Praire Wedding	Mark Knopfler			4:26	Sailing to Philadelphia	2000	E Standard	mute	1970-01-01
Prairie Wedding	Mark Knopfler			4:26	Sailing to Philadelphia	2000	E Standard	mute	1970-01-01
Ready For Repair	SECRETS			3:19	Fragile Figures	2013	B Drop A	mute	1970-01-01
Renaissance Faire	Blackmore's Night			4:22	Shadow Of The Moon	1997	C Standard	mute	1970-01-01
Resident Evil 2 Claire B Credits	Ueda, Uchiyama, Nishigaki			2:38	Resident Evil 2 OST	1998	Custom Tuning	mute	1970-01-01
Robot with Human Hair part II.V	Dance Gavin Dance			4:39	Downtown Battle Mountain II	2011	Drop D	mute	1970-01-01
Rock and Roll Love Affair	Prince			4:05	Rocknroll Loveaffair (Single)	2012	E Standard	mute	1970-01-01
Rockin' Chair	Gwen McCrae			3:22	Rockin' Chair	1975	E Standard	mute	1970-01-01
Rockin' Chair	Oasis			4:45	The Masterplan	1998	E Standard	mute	1970-01-01
Rollin' (Air Raid Vehicle)	Limp Bizkit			3:36	Chocolate Starfish and The Hot Dog Flavored Water	2000	C# Standard	mute	1970-01-01
Romanticide (Wacken Open Air 2013)	Nightwish			5:20	Showtime, Storytime	2013	D Standard	mute	1970-01-01