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
Readyfuels	Anberlin			3:40	Blueprints For The Blackmarket	2003	Drop D	mute	1970-01-01
Real Boy	La Sera			3:18	Sees the Light	2011	E Standard	mute	1970-01-01
Realm of Rain	A Canorous Quintet			3:34	The Only Pure Hate	1998	C# Standard	mute	1970-01-01
Rearrange	Miles Kane			3:34	Colour of the Trap	2011	E Standard	mute	1970-01-01
Reasons	Earth, Wind & Fire			5:05	That's the Way of the World	1975	E Standard	mute	1970-01-01
Rebel Love Song	Black Veil Brides			4:02	Set the World on Fire	2011	Eb Drop Db	mute	1970-01-01
Rebel Monster	Volbeat			2:57	The Strength The Sound The Songs	2005	D Standard	mute	1970-01-01
Rebel Yell (Billy Idol Cover)	Children Of Bodom			4:14	Skeletons In The Closet	2009	D Standard	mute	1970-01-01
Rebellion	Linkin Park			3:47	The Hunting Party	2014	D Drop C	mute	1970-01-01
Rebellion	Linkin Park			3:52	The Hunting Party	2014	D Drop C	mute	1970-01-01
Rebellion In Dreamland	Gamma Ray			8:47	Land of the Free	1995	E Standard	mute	1970-01-01
Rebirth Of The Temple	Silent Civilian			4:20	Rebirth of the Temple	2006	D Drop C	mute	1970-01-01
Rebirth of Terror	Malevolent Creation			3:40	The Will to Kill	2002	C# Standard	mute	1970-01-01
Reborn	Blinded Memory			3:31	From The Ashes	2013	Custom Tuning	mute	1970-01-01
Rebound	Volbeat			2:29	Seal The Deal & Let's Boogie	2016	E Standard	mute	1970-01-01