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
ReaniManiac	Revocation			3:22	Existence Is Futile	2009	Eb Standard	mute	1970-01-01
Reaper Rapper	Mori Calliope			2:25	Dead Beats	2020	Eb Standard	mute	1970-01-01
Reaping Stone	Iced Earth			4:05	Something Wicked This Way Comes	1998	Eb Standard	mute	1970-01-01
Rebel Inside	HammerFall			5:37	Threshold	2006	Eb Standard	mute	1970-01-01
Rebel Onslaught	Razor			3:21	Malicious Intent	1986	Eb Standard	mute	1970-01-01
Rebellion	Daisuke Ishiwatari			4:10	BlazBlue Original Soundtrack	2008	Eb Standard	mute	1970-01-01
Rebellion of the Snakes	Strung Out			3:42	Transmission.Alpha.Delta	2015	Eb Standard	mute	1970-01-01
Reborn	One More Page			3:59	Poetic Insanity	2015	Eb Standard	mute	1970-01-01
Reborn	Slayer			2:14	Reign In Blood	1986	Eb Standard	mute	1970-01-01
Reckless	Judas Priest			4:22	Turbo	1986	Eb Standard	mute	1970-01-01
Reckoning Day	Megadeth			4:38	Youthanasia	1994	Eb Standard	mute	1970-01-01
Reckoning Day	Megadeth			4:41	Youthanasia	1994	Eb Standard	mute	1970-01-01
Red Bomb	Whiplash			5:20	Power And Pain	1985	Eb Standard	mute	1970-01-01
Red Devil	Yngwie Malmsteen			4:09	Perpetual Flame	2008	Eb Standard	mute	1970-01-01
Red House Live	Jimi Hendrix Live			5:28	Live at Woodstock	1999	Eb Standard	mute	1970-01-01