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
Point of No Return	Aria			5:13	Through All Times	2014	E Standard	mute	1970-01-01
Rainy Night in Georgia	Ray Charles			6:20	Through The Eyes Of Love	1972	E Standard	mute	1970-01-01
Rock Brigade	Def Leppard			3:11	On Through the Night	1980	E Standard	mute	1970-01-01
Rocks Tonic Juice Magic	Saves The Day			3:30	Through Being Cool	1999	E Standard	mute	1970-01-01
Rum	Alestorm			3:33	Back Through Time	2011	C Standard	mute	1970-01-01
Rumpelkombo	Alestorm			0:10	Back Through Time	2011	C Standard	mute	1970-01-01
Save Me	BIG COUNTRY			5:33	Through A BIG COUNTRY	1990	E Standard	mute	1970-01-01
Scraping The Barrel	Alestorm			4:43	Back Through Time	2011	C Standard	mute	1970-01-01
Seasons Wither	Machine Head			6:15	Through The Ashes Of Empires	2003	Custom Tuning	mute	1970-01-01
See Me Smiling	Yellowcard			3:53	When You're Through Thinking, Say Yes	2011	Drop D	mute	1970-01-01
Shipwrecked	Alestorm			3:34	Back Through Time	2011	C Standard	mute	1970-01-01
Sing For Me	Yellowcard			3:57	When You're Through Thinking, Say Yes	2011	E Standard	mute	1970-01-01
Sneakin' Sally Through the Alley (Single Edit)	Robert Palmer			3:29	Sneakin' Sally Through the Alley	1977	E Standard	mute	1970-01-01
So You Die	Bloodbath			3:21	Resurrection Through Carnage	2002	BEADG	mute	1970-01-01
South Bound Saurez	Led Zeppelin			4:13	In Through the Out Door	1979	E Standard	mute	1970-01-01