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
Rock'n'Roll suicide	David Bowie			3:05	The rise & fall of Ziggy Stardust & the Spiders from Mars	1972	E Standard	mute	1970-01-01
Rock'nRoll	Monstrum			4:10	Czas	2013	Drop D	mute	1970-01-01
Rocket Dive	hide with Spread Beaver			3:48	Ja, Zoo	1998	D Standard	mute	1970-01-01
Rocket on the Radio	Chez Kane	Bass2 Combo		5:33	Chez Kane	2021	E Standard	mute	1970-01-01
Rolling Wheels	Running Wild			5:42	Blazon Stone	1991	E Standard	mute	1970-01-01
Romance En Re Sostenido	Panda			3:45	Bonanza	2012	Eb Standard	mute	1970-01-01
Rossiya dlya grustnyh	Pornofilmy			3:03	V diapazone mezhdu otchayaniem i nadezhdoj	2017	E Standard	mute	1970-01-01
Rossz vér	Deák Bill Gyula			7:47	Rossz vér	1983	E Standard	mute	1970-01-01
Rowerek	Pawel Kukiz i Piersi			2:00	Ojczyzniane	2000	D Drop C	mute	1970-01-01
Rowerek (Drop D)	Pawel Kukiz i Piersi			2:00	Ojczyzniane	2000	Drop D	mute	1970-01-01
Run Devil Run (SNSD Cover)	Andre & Fauzan			3:26	YouTube - BoyzGenerationJKT	2011	B Standard	mute	1970-01-01
Runaway	Zebrahead			3:26	MFZB	2003	E Standard	mute	1970-01-01
Running Man	Aria			6:24	Cherez Vse Vremena	2014	Eb Standard	mute	1970-01-01
Running to Stand Still (Live)	U2			5:23	Zoo TV: Live from Sydney	1994	Eb Standard	mute	1970-01-01
Russian Paradise	AK 47, Noggano (Ноггано)			5:22	Gazgolder Soundtrack(Газгольдер Саундтрек)	2016	E Standard	mute	1970-01-01