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
Red Light Indicates Doors Are Secured	Arctic Monkeys			2:26	Whatever People Say I Am, That's What I'm Not	2006	E Standard	mute	1970-01-01
Red fraction	MELL			3:42	Red fraction	2006	Eb Standard	mute	1970-01-01
Redshift Riders	Joe Satriani			4:53	Super Colossal	2006	E Standard	mute	1970-01-01
Reflect The Storm	In Flames			4:19	Come Clarity	2006	Custom Tuning	mute	1970-01-01
Reformation (Wrath Of The Old Gods)	Kiuas			6:15	Reformation	2006	D Drop C	mute	1970-01-01
Rehab	Amy Winehouse			3:39	Back to Black	2006	E Standard	mute	1970-01-01
Reign Of The Hammer	HammerFall			2:53	Threshold	2006	Eb Standard	mute	1970-01-01
Reinkaos	Dissection			4:48	Reinkaos	2006	D Standard	mute	1970-01-01
Reject Yourself	Killswitch Engage			4:50	As Daylight Dies	2006	D Drop C	mute	1970-01-01
Remember	Flow			3:23	Best of Naruto	2006	E Standard	mute	1970-01-01
Renata	Tihuana			3:58	Tihuana	2006	E Standard	mute	1970-01-01
Rent	Pepper			3:47	No Shame	2006	E Standard	mute	1970-01-01
Requiem	Lamb Of God			4:20	Sacrament	2006	Drop D	mute	1970-01-01
Resnitsi	Bratia Grim			2:57	Resnitsi	2006	E Standard	mute	1970-01-01
Resolution	Andy Timmons Band			5:44	Resolution	2006	Drop D	mute	1970-01-01