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
Pulled Up	Talking Heads			4:37	Talking Heads: 77	1977	E Standard	mute	1970-01-01
Queen Of Blades	Frozen Crown			4:30	The Fallen King	2018	Custom Tuning	mute	1970-01-01
Quest for the Hammer of Glory	Gloryhammer			5:41	Tales from the Kingdom of Fife	2013	D Standard	mute	1970-01-01
Radiant Eclipse	Avenged Sevenfold			6:15	Waking The Fallen	2003	D Drop C	mute	1970-01-01
Raise Your Horns	Amon Amarth			4:27	Jomsviking	2016	B Drop A	mute	1970-01-01
Ray	Millencolin			2:54	Kingwood	2005	E Standard	mute	1970-01-01
Razorblade Salvation	Jedi Mind Tricks			4:21	Servants in Heaven, Kings in Hell	2006	E Standard	mute	1970-01-01
Ready To Rock	Airbourne			5:24	Black Dog Barking	2013	E Standard	mute	1970-01-01
Recession Blues	BB King			2:23	BB King Wails	1958	E Standard	mute	1970-01-01
Red Stars	The Birthday Massacre	Bass2		3:45	Walking With Strangers	2007	Drop D	mute	1970-01-01
Red Streamer Battle	Yoshito Sekigawa, Shoh Murakami, Yoshiaki Kimura, Hiroki Morisihita, Fumihiro Isobe			2:50	Paper Mario: The Origami King Original Soundtrack	2020	D Standard	mute	1970-01-01
Remember Yesterday	HammerFall			5:08	Legacy Of Kings	1998	Eb Standard	mute	1970-01-01
Remenissions	Avenged Sevenfold			6:11	Waking The Fallen	2003	Drop D	mute	1970-01-01
Requiem	Avenged Sevenfold			4:23	Hail To The King	2013	Eb Drop Db	mute	1970-01-01
Riding With The King (BB Lead)	B.B. King			4:26	Riding With The King	2001	E Standard	mute	1970-01-01