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
Real Great Britain	Asian Dub Foundation			3:13	Community Music	2000	E Standard	mute	1970-01-01
Real Talk (with Combo)	Bloc Party	Combo		4:16	Four	2012	E Standard	mute	1970-01-01
Realidade Urbana	Project46			3:47	Tr3s	2017	B Drop A	mute	1970-01-01
Reality Bath	Lamb of God			4:37	Lamb of God	2020	Drop D	mute	1970-01-01
Reality Bath (Ajchili's Version)	Lamb of God			4:36	Lamb of God	2021	Drop D	mute	1970-01-01
Reapers (Live at Belfast)	Muse			6:05	Drones	2015	Drop D	mute	1970-01-01
Reason To Believe	Arch Enemy			4:49	Will To Power	2017	C Standard	mute	1970-01-01
Reason To Believe	Sum 41			3:28	Screaming Bloody Murder	2011	D Standard	mute	1970-01-01
Reason to Believe	Strung Out			2:16	Twisted By Design	1998	D Standard	mute	1970-01-01
Reassemble	A Day To Remember			4:00	Bad Vibrations	2016	Custom Tuning	mute	1970-01-01
Rebel Angel	The Dollyrots			2:43	Because I'm Awesome (Digital Edition Bonus Track)	2007	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
Rebel Army Theme (PSP Version)	Nobuo Uematsu			2:32	Final Fantasy 2 PSP	2007	E Standard	mute	1970-01-01
Rebel Girl	Angels and Airwaves			3:51	Rebel Girl	2019	E Standard	mute	1970-01-01
Rebel Girl	Bikini Kill			2:41	Pussy Whipped	1993	E Standard	mute	1970-01-01