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
Pyro	Kings Of Leon			4:13	Come Around The Sundown	2010	E Standard	mute	1970-01-01
Radioactive	Kings Of Leon			3:30	Come Around Sundown	2010	E Standard	mute	1970-01-01
Ram it Down	Judas Priest			4:49	Ram it Down	1988	E Standard	mute	1970-01-01
Razor Boy	Steely Dan			3:15	Countdown To Ecstasy	1973	E Standard	mute	1970-01-01
Reptile	Nine Inch Nails			6:51	The Downward Spiral	1994	Drop D	mute	1970-01-01
Resonance	Insomnium			2:34	Since The Day It All Came Down	2004	E Standard	mute	1970-01-01
Restless Heart Syndrome	Green Day			4:23	21st Century Breakdown	2009	D Standard	mute	1970-01-01
Restless Heart Syndrome (E STD)	Green Day			4:22	21st Century Breakdown	2009	E Standard	mute	1970-01-01
Revelation 12	Marilyn Manson			4:42	Heaven Upside Down	2017	Drop D	mute	1970-01-01
Rhinosaur	Soundgarden			3:21	Down on the Upside	1996	Drop D	mute	1970-01-01
Rigpa	Grimskunk			4:23	Meltdown	1996	E Standard	mute	1970-01-01
Rise Up	Drowning pool			3:14	WWE SmackDown 2004	2004	C# Drop B	mute	1970-01-01
Road To Nowhere	The Creepshow			3:28	They All Fall Down	2010	E Standard	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 Bottom	House of Lords			3:54	World Upside Down	2006	D Drop C	mute	1970-01-01