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
River Below	Billy Talent			3:03	Billy Talent I	2004	Drop D	mute	1970-01-01
River King	Misery Signals			5:08	River King (Single)	2020	Eb Drop Db	mute	1970-01-01
Rivers of Babylon	Boney M			4:19	Nightflight to Venus	1978	E Standard	mute	1970-01-01
Riviera Paradise	Stevie Ray Vaughan			8:54	In step	1989	Eb Standard	mute	1970-01-01
Road Apples	The Tragically Hip	Bass2		49:18	Road Apples	1991	Custom Tuning	mute	1970-01-01
Road To Hell	Rory Gallagher	Combo		5:34	Defender	1987	E Standard	mute	1970-01-01
Road To Nowhere	Bullet For My Valentine			4:22	Scream Aim Fire	2008	D Standard	mute	1970-01-01
Road To Nowhere	Ozzy Osbourne			5:16	No More Tears	1991	Eb Standard	mute	1970-01-01
Roam	The Story So Far			2:57	Under Soil And Dirt	2011	E Standard	mute	1970-01-01
Roar	Katy Perry			3:42	Prism	2013	E Standard	mute	1970-01-01
Rock 'N' Roll Rebel	Ozzy Osbourne			5:31	Bark at the Moon	2002	E Standard	mute	1970-01-01
Rock 'n' Roll is Where I Hide	Dave Graney and the Coral Snakes			5:53	The Soft 'N' Sexy Sound	1995	E Standard	mute	1970-01-01
Rock Against Romance	Holly & The Italians			5:39	The Right To Be Italian	2008	E Standard	mute	1970-01-01
Rock Me Baby	Johnny Winter			3:54	Still Alive And Well	1973	E Standard	mute	1970-01-01
Rock Me Gently	Andy Kim			3:42	Andy Kim	1974	E Standard	mute	1970-01-01