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
Roxanne (No Bass)	The Police			2:58	Outlandos d'Amour	1978	E Standard	mute	1970-01-01
Royal	Deftones			3:35	Diamond Eyes	2010	D Drop C	mute	1970-01-01
Royal Grave	Dr. Swift			4:43	Same	1996	Eb Standard	mute	1970-01-01
Run Right Back	The Black Keys			3:20	El Camino	2011	E Standard	mute	1970-01-01
Run to You	Lacey Sturm			3:47	Life Screams	2016	E Standard	mute	1970-01-01
Runaground	James			4:13	The Best of James	1998	E Standard	mute	1970-01-01
Runaway	Los Pericos			3:12	Pampas Reggae	1994	E Standard	mute	1970-01-01
Runes of Power	Summoning			5:55	Let Mortal Heroes Sing Your Fame	2001	E Standard	mute	1970-01-01
Running In The Family	Level 42			4:01	Running In The Family	1987	E Standard	mute	1970-01-01
Running Up That Hill	William Control			4:32	Control Records Sampler	2017	E Standard	mute	1970-01-01
Russia	Pasosh			4:18	Nam nikogda ne budet skuchno	2015	E Standard	mute	1970-01-01
Russians	Sting	Bass2		3:57	Dream of the Blue Turtles	1985	Eb Standard	mute	1970-01-01
Russians	Sting			3:58	The Dream of the Blue Turtles	1985	E Standard	mute	1970-01-01
Rust, Dust & Guts	Mick Gordon			7:47	Doom (Original Game Soundtrack)	2016	Custom Tuning	mute	1970-01-01
S.O.U.N.D.S.	The Sounds			3:07	Living in America	2002	Custom Tuning	mute	1970-01-01