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
Circles	Incubus			4:09	Morning View	2001	Drop D	mute	1970-01-01
Circles	Joe Satriani			3:22	Surfing With The Alien	1987	E Standard	mute	1970-01-01
Circles	Nonpoint			3:35	Development	2002	D Drop C	mute	1970-01-01
Circles	Pierce the Veil			3:47	Misadventures	2016	Custom Tuning	mute	1970-01-01
Circles	Post Malone			3:38	Hollywood's Bleeding	2019	E Standard	mute	1970-01-01
Circles	Voiceless Location			4:04	Obedience	2013	Bb Drop Ab	mute	1970-01-01
Circles	Yours Truly			2:55	Afterglow	2019	Eb Drop Db	mute	1970-01-01
Circles In The Sky	Rivers Of Nihil			6:33	Monarchy	2015	Custom Tuning	mute	1970-01-01
Circumstances	Rush			3:46	Hemispheres	1978	E Standard	mute	1970-01-01
Circus	Britney Spears			3:14	Circus	2009	E Standard	mute	1970-01-01
Circus Envy	REM			4:15	Monster	1994	E Standard	mute	1970-01-01
Circus of Shame	The Hellfreaks			4:06	Circus of Shame	2012	E Standard	mute	1970-01-01
Circus of the Mad	The Infadels			3:36	Universe In Reverse	2008	E Standard	mute	1970-01-01
Cirno's Perfect Math Class	IOSYS			2:09	Teppei Sensei no Perfect Violin Kyoshitsu	2012	E Standard	mute	1970-01-01
Cities In Dust	Siouxsie and the Banshees			3:59	Tinderbox	1985	E Standard	mute	1970-01-01