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
Rites Of Death	Antestor			4:15	The Forsaken	2005	E Standard	mute	1970-01-01
Robot Rock	Daft Punk			4:50	Human After All	2005	E Standard	mute	1970-01-01
Roboturner	Between The Buried and Me			7:07	Alaska	2005	Custom Tuning	mute	1970-01-01
Rock Bankurawase	Maximum the Hormone			2:20	Rock-impo Goroshi	2005	Custom Tuning	mute	1970-01-01
Romance Is Dead (S.O.F.'s Version)	Parkway Drive			5:23	Killing with a Smile	2005	Custom Tuning	mute	1970-01-01
Room 409	Bullet For My Valentine			4:04	The Poison	2005	D Drop C	mute	1970-01-01
Rosa Pastel	Belanova			3:10	Dulce Beat	2005	E Standard	mute	1970-01-01
Rosenrot	Rammstein			3:57	Rosenrot	2005	D Drop C	mute	1970-01-01
Roses For The Dead	Funeral for a Friend	Bass2		4:10	Hours	2005	Eb Drop Db	mute	1970-01-01
Rubato Industry	Wobbler			12:32	Hinterland	2005	Custom Tuning	mute	1970-01-01
Rumavirsi	Ruoska			3:27	Radium	2005	C Standard	mute	1970-01-01
Run	Cog			5:09	The New Normal	2005	Custom Tuning	mute	1970-01-01
Run	NewTone			3:53	Unknown	2005	Drop D	mute	1970-01-01
Russian Roulette	Yngwie Malmsteen			4:13	Unleash The Fury	2005	Eb Standard	mute	1970-01-01
Rusty Cage	Johnny Cash			2:51	The Legend of Johnny Cash	2005	E Standard	mute	1970-01-01