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
Four Walls	While She Sleeps			5:11	Brainwashed	2015	D Drop C	mute	1970-01-01
Four on Six	Wes Montgomery			6:18	The Incredible Jazz Guitar of Wes Montgomery	2008	E Standard	mute	1970-01-01
FourThirtyTwo (Intro)/Vultures & Sharks	Oceans Ate Alaska			5:02	Lost Isles	2015	C# Drop B	mute	1970-01-01
FourThirtyTwo/Vultures And Sharks	Oceans Ate Alaska			5:02	Lost Isles	2015	C# Drop B	mute	1970-01-01
Fourneau Cosmique	Buckethead			11:52	Fourneau Cosmique	2018	E Standard	mute	1970-01-01
Fourth Of July	Fall Out Boy			3:49	American Beauty/American Psycho	2015	E Standard	mute	1970-01-01
Free Four	Pink Floyd			4:19	Obscured By Clouds	1972	E Standard	mute	1970-01-01
Friend Is a Four Letter Word	Cake			3:25	Fashion Nugget	1997	E Standard	mute	1970-01-01
Get Found	Bass Drum of Death			3:05	GB City	2011	E Standard	mute	1970-01-01
I Fought The Law	The Bobby Fuller Four			2:18	I Fought The Law - 1965	1965	E Standard	mute	1970-01-01
I Fought The Law	The Clash			2:44	London Calling	1979	E Standard	mute	1970-01-01
I Fought the Law	Dead Kennedys			2:21	Give Me Convenience or Give Me Death	1987	E Standard	mute	1970-01-01
I Found Away	Alkaline Trio			4:00	Agony & Irony	2008	E Standard	mute	1970-01-01
I Found Out	The Pidgeon Detectives			2:03	Wait for me	2007	E Standard	mute	1970-01-01
I Found You	Alabama Shakes			3:02	Boys & Girls	2012	E Standard	mute	1970-01-01