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
Circle Sky	The Monkees			2:31	Head	1968	E Standard	mute	1970-01-01
Circle Square Triangle	Grimskunk			6:51	Grimskunk	1994	E Standard	mute	1970-01-01
Circle of Hands	Uriah Heep			6:30	Demons and Wizards	1972	E Standard	mute	1970-01-01
Circle of Life	Elton John			4:54	The Lion King (Motion Picture Soundtrack)	1994	E Standard	mute	1970-01-01
Circle-Jerk-Pit	Tom DeLonge			2:02	To The Stars... Demos, Odds and Ends	2015	E Standard	mute	1970-01-01
Circles	Hollywood Undead			3:36	Swan Songs	2011	E Standard	mute	1970-01-01
Circles	Joe Satriani			3:22	Surfing With The Alien	1987	E Standard	mute	1970-01-01
Circles	Post Malone			3:38	Hollywood's Bleeding	2019	E Standard	mute	1970-01-01
Circo Iberico	Ska-P			3:47	Eurosis	1998	E Standard	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