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
Ravenous Medicine	Voivod			4:27	Killing Technology	1987	E Standard	mute	1970-01-01
Raze	Exodus			4:18	Shovel Headed Kill Machine	2005	D Standard	mute	1970-01-01
ReI	THE ORAL CIGARETTES			4:17	Kisses and Kills	2018	E Standard	mute	1970-01-01
Real Muthaphukkin G's	Eazy E			5:35	It's On (Dr. Dre) 187um Killa	1993	E Standard	mute	1970-01-01
Rebirth of Terror	Malevolent Creation			3:40	The Will to Kill	2002	C# Standard	mute	1970-01-01
Reckoning	Killswitch Engage			2:46	Killswitch Engage	2009	D Drop C	mute	1970-01-01
Right Where You Want Me To Be	A Day To Remember			3:43	Attack of the Killer B-Sides	2009	D Drop C	mute	1970-01-01
Riot Of Violence	Kreator			4:56	Pleasure To Kill	1986	D Standard	mute	1970-01-01
Ripping Corpse	Kreator			3:39	Pleasure To Kill	1986	D Standard	mute	1970-01-01
Rock Bottom	Kiss			4:01	Dressed To Kill	1975	Eb Standard	mute	1970-01-01
Rock Forever	Judas Priest			3:23	Killing Machine	1979	E Standard	mute	1970-01-01
Rockcity	Peter Pan Speedrock			2:18	Killer Machine	2000	E Standard	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
Rome Is Falling	Civil War			5:29	The Killer Angels	2013	E Standard	mute	1970-01-01
Room Service	Kiss			3:01	Dressed To Kill	1975	Eb Standard	mute	1970-01-01