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
Rage and Forgiveness	Aephanemer			5:45	Memento Mori	2016	D Standard	mute	1970-01-01
Ragged Tooth	Protest The Hero			3:47	Pacific Myth	2016	Custom Tuning	mute	1970-01-01
Ragtime	Rob Scallon			4:21	?	2016	E Standard	mute	1970-01-01
Rainbow	Jeff Rosenstock			1:34	WORRY.	2016	E Standard	mute	1970-01-01
Raining Stars	Lord of the Lost			4:08	Empyrean (Deluxe Edition)	2016	B Drop A	mute	1970-01-01
Raise Hell	Dorothy			3:04	Rockisdead	2016	E Standard	mute	1970-01-01
Raise Your Horns	Amon Amarth			4:27	Jomsviking	2016	B Drop A	mute	1970-01-01
Raising the Bar	Discrepancies			3:40	The Awakening	2016	Custom Tuning	mute	1970-01-01
Ramm 4	Rammstein			5:51	Pinkpop 2016 (Live)	2016	Drop D	mute	1970-01-01
Rammvier	Rammstein			6:15	Festival	2016	Drop D	mute	1970-01-01
Rapture	Touche Amore			3:18	Stage Four	2016	Eb Standard	mute	1970-01-01
Rasen	Orbit Culture			3:35	Rasen	2016	AEADG	mute	1970-01-01
Re:Re:	Asian Kung-Fu Generation			5:35	Re:Re: - Single	2016	E Standard	mute	1970-01-01
Reality	Lost Frequencies			2:41	Less Is More	2016	E Standard	mute	1970-01-01
Really?	Prince Daddy & The Hyena			4:49	I Thought You Didn't Even Like Leaving	2016	Eb Standard	mute	1970-01-01