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
Rebel Yell (Billy Idol Cover)	Children Of Bodom			4:14	Skeletons In The Closet	2009	D Standard	mute	1970-01-01
Rebel Yell (Billy Idol Cover)	Dope			4:08	No Regrets	2009	Eb Drop Db	mute	1970-01-01
Rebirth Of Senses	Gorod			4:03	Process Of A New Decline	2009	D Standard	mute	1970-01-01
Reckoning	Killswitch Engage			2:46	Killswitch Engage	2009	D Drop C	mute	1970-01-01
Reclamation	Lamb of God			7:07	Wrath	2009	Eb Drop Db	mute	1970-01-01
Red Right Hand	Arctic Monkeys			4:22	Crying Lightning - EP	2009	Drop D	mute	1970-01-01
Redeemer of Flesh	Rose Funeral			4:02	The Resting Sonata	2009	Bb Drop Ab	mute	1970-01-01
Regret And The Grave	Cattle Decapitation			4:42	The Harvest Floor	2009	Eb Standard	mute	1970-01-01
Regurgitated Disinformation	Job For A Cowboy			4:52	Ruination	2009	D Standard	mute	1970-01-01
Reindeer Age	Closure in Moscow			3:58	First Temple	2009	D Drop C	mute	1970-01-01
Relief	Bury Tomorrow			2:53	Portraits	2009	E Standard	mute	1970-01-01
Remember December	Demi Lovato			3:21	Here We Go Again	2009	Eb Drop Db	mute	1970-01-01
Renai Circulation	Kana Hanazawa			4:16	Bakemonogatari OP4 Single	2009	E Standard	mute	1970-01-01
Represent	The Red Jumpsuit Apparatus			3:20	Lonely Road	2009	D Drop C	mute	1970-01-01
Reptiles	Them Crooked Vultures			4:21	Them Crooked Vultures	2009	E Standard	mute	1970-01-01