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
Rio Bravo	CKY	Combo		3:13	CKY - Vol 1	2000	D Standard	mute	1970-01-01
Ripped Apart and Reassembled	Nova Collective			5:49	The Further Side	2017	Custom Tuning	mute	1970-01-01
Rise Above The Tides	Trivium			4:00	Silence In The Snow	2015	Custom Tuning	mute	1970-01-01
Rise Above The Tides	Trivium			3:57	Silence In The Snow	2015	Eb Standard	mute	1970-01-01
Rise Above This	Seether			3:23	Finding Beauty In Negative Spaces	2007	E Standard	mute	1970-01-01
Rise Above This	Seether			3:23	Finding Beauty in Negative Spaces	2007	Eb Drop Db	mute	1970-01-01
Rise Above the Sentiment	Soilwork			4:07	The Living Infinite	2013	B Standard	mute	1970-01-01
Rising Rainbow	Misokkasu			3:36	Shokugeki no Soma OP2 Single	2015	Drop D	mute	1970-01-01
Ritual (Full Album)	The Black Dahlia Murder			45:48	Ritual	2011	C Standard	mute	1970-01-01
River Below	Billy Talent			3:03	Billy Talent I	2004	Drop D	mute	1970-01-01
River Down Below	Riverside			5:44	Wasteland	2018	E Standard	mute	1970-01-01
Rivers Between Us	Draconian			6:50	Sovran	2015	D Drop C	mute	1970-01-01
Rivers of Babylon	Boney M			4:19	Nightflight to Venus	1978	E Standard	mute	1970-01-01
Rivertown Blues	Yellowcard			3:37	Southern Air	2012	Drop D	mute	1970-01-01
Rizzo in the Box	AFI			1:53	Answer That and Stay Fashionable	1995	E Standard	mute	1970-01-01