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
Raabjørn Speiler Draugheimens Skodde	Dimmu Borgir			5:07	Godless Savage Garden	1998	E Standard	mute	1970-01-01
Race wish	HIZAKI			4:44	Rosario	2016	Eb Drop Db	mute	1970-01-01
Raise Your Voice	Obey The Brave			3:56	Salvation	2013	Custom Tuning	mute	1970-01-01
Rameneze la coupe a la maison	Vegedream			4:00	Marchand de sable 2	2018	E Standard	mute	1970-01-01
Rashisa	SUPER BEAVER			4:30	Rashisa / Watakushi-Goto	2014	E Standard	mute	1970-01-01
Rational Eyes	Threat Signal			3:49	Under Reprisal	2006	D Drop C	mute	1970-01-01
Rats!Rats!Rats!	Deftones			4:00	Saturday Night Wrist	2006	Custom Tuning	mute	1970-01-01
Ravenna strigoi mortii	Dark Funeral			4:29	Vobiscum Satanas	1999	E Standard	mute	1970-01-01
Raw Energy	Witchburner			3:44	Blasphemic Assault	1998	E Standard	mute	1970-01-01
Read My Mind	The Killers			4:10	Sam's Town	2006	E Standard	mute	1970-01-01
Read My Mind	The Killers			4:09	Sam's Town	2007	Eb Standard	mute	1970-01-01
Reason Is Treason	Kasabian	Bass2		4:39	Kasabian	2003	E Standard	mute	1970-01-01
Rebel Army Theme (Final Fantasy 2)	Saitama Saisyu Heiki			3:30	MADE In Saitama	2002	Drop D	mute	1970-01-01
Reborn	One More Page			3:59	Poetic Insanity	2015	Eb Standard	mute	1970-01-01
Rebuild, Release	Sent By Ravens			2:54	Mean What You Say	2012	D Drop C	mute	1970-01-01