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
The Rising	Trivium			3:49	The Crusade	2006	E Standard	mute	1970-01-01
The Rising Fighting Spirit	Toshiro Masuda			1:47	Naruto OST	2000	E Standard	mute	1970-01-01
The Rising Fighting Spirit	ToshiroMasuda			1:39	ToshiroMasuda	1990	E Standard	mute	1970-01-01
The Rising Sun	Buckethead			5:32	Single	2010	E Standard	mute	1970-01-01
The Ritual	Destruction			5:14	Infernal Overkill	1985	E Standard	mute	1970-01-01
The Rivalry	Running Wild			5:37	The Rivalry	1998	E Standard	mute	1970-01-01
The River	Insomnium			8:00	Shadows of the Dying Sun	2014	D Standard	mute	1970-01-01
The Riverboat Song	Ocean Colour Scene			4:59	Moseley Shoals	1996	E Standard	mute	1970-01-01
The Road Goes On	Galneryus			2:05	Resurrection	2010	Eb Standard	mute	1970-01-01
The Road Most Traveled Acoustic	Jeremy Soule			1:26	The Elder Scrolls III: Morrowind OST	2002	E Standard	mute	1970-01-01
The Road Most Travelled	Jeremy Soule/Tim Herlihy			1:41	The Elder Scrolls III: Morrowind OST	2013	E Standard	mute	1970-01-01
The Robot Who Lost Its Head	Buckethead			3:58	March Of The Slunks	2012	E Standard	mute	1970-01-01
The Rotting Horse On The Deadly Ground	Summoning			8:23	Stronghold	1999	E Standard	mute	1970-01-01
The Royal Fallacy	Vulkan			10:23	Technatura	2020	E Standard	mute	1970-01-01
The Royal We	Silversun Pickups			4:49	Swoon	2009	Drop D	mute	1970-01-01