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
Pink Marshmallow Moon	BIG COUNTRY			4:27	The Buffalo Skinners	1993	E Standard	mute	1970-01-01
Plowed	Sponge			3:20	Rotting Piñata	1995	Eb Standard	mute	1970-01-01
Pozeracze Slonc (Swallowers of Suns)	Plaga			6:39	Pożeracze słońc	2011	E Standard	mute	1970-01-01
Pussy Willow - 2005 Remaster	Jethro Tull			3:56	Broadsword and the Beast	2005	E Standard	mute	1970-01-01
Rain to a flower, A song for you	THE BINARY			4:28	Rain to a flower, A song for you	2020	Custom Tuning	mute	1970-01-01
Rambozo the Clown	Dead Kennedys			2:28	Bedtime For Democracy	1986	E Standard	mute	1970-01-01
Red Blue Yellow Battle Music	Pokemon			4:12	GameBoy	1996	E Standard	mute	1970-01-01
Red Green Yellow	The Garden			1:26	haha	2015	E Standard	mute	1970-01-01
Red Orange Yellow	The Photo Atlas			3:08	No, Not Me, Never	2007	E 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
River Flows In You	Yiruma			3:38	In Love	2001	E Standard	mute	1970-01-01
River Flows in You(simple version)	Yiruma			2:40	First Love	2001	E Standard	mute	1970-01-01
SLOW DANCING IN THE DARK	Joji			3:32	BALLADS 1	2018	E Standard	mute	1970-01-01
SLOW DOWN!	Maboroshi			3:54	The Warudakumi	2004	E Standard	mute	1970-01-01