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
Ride Across the River (Single-Edit)	Dire Straits			4:40	Brothers in Arms	1985	E Standard	mute	1970-01-01
Rimsky-Korsakov's Flight of the Bumblebee (No Bass)	Paul Henry Smith & The Fauxharmonic Orchestra			1:22	Classical Frenzies	2009	E Standard	mute	1970-01-01
Rising Hope - (LiVE is Smile Always)	LiSA			4:18	LiVE is Smile Always at at YOKOHAMA ARENA	2015	Eb Standard	mute	1970-01-01
River - Live Acoustic	Lights			3:12	The Listening	2009	E Standard	mute	1970-01-01
River Deep - Mountain High	Ike & Tina Turner			3:39	River Deep - Mountain High	1966	E Standard	mute	1970-01-01
River In The Road - Acoustic	Queens Of The Stone Age			3:07	Era Vulgaris	2007	E Standard	mute	1970-01-01
Rock - L1 - Exercise - 1/4 Pauses	Alex and You			0:31	Rock	2016	E Standard	mute	1970-01-01
Rock - L1 - Exercise - 2 Exercise 10 - First Finger - First Fret	Alex and You			0:33	Rock	2016	E Standard	mute	1970-01-01
Rock - L1 - Exercise - For the very first Tab	Alex and You			0:31	ROCK	2016	E Standard	mute	1970-01-01
Rock - L2 - Exercise - The 3rd Finger Stringskipper	Alex and You			0:58	Rock	2016	E Standard	mute	1970-01-01
Rock - L2 - Song - Haenschen Klein	Alex and You			0:34	ROCK	2016	E Standard	mute	1970-01-01
Rock - L3 - Song - Happy birthday to you	Alex and You			0:30	ROCK	2016	E Standard	mute	1970-01-01
Rock - L3 - Song - If youre happy and you know it	Alex and You			0:58	ROCK	2016	E Standard	mute	1970-01-01
Rock - L3 - Song - Old MacDonald (had a farm)	Alex and You			1:13	Rock	2016	E Standard	mute	1970-01-01
Rock - L4 - Exercise - The Empty Stringskipper	Alex and You			0:43	ROCK	2016	E Standard	mute	1970-01-01