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
96 Quite Bitter Beings	CKY			3:26	Volume 1 (Red)	2001	Eb Standard	mute	1970-01-01
A Bitter Broken Memory	Atreyu			4:01	Long Live	2015	D Drop C	mute	1970-01-01
A Bitter End	Novelists			4:31	Noir	2017	Custom Tuning	mute	1970-01-01
BITTER SWEET	WAR OF AGES			3:41	warofages	1980	Eb Drop Db	mute	1970-01-01
Bitter	Tricot			2:03	Bakuretsu Tricot-San	2014	E Standard	mute	1970-01-01
Bitter And Then Some	Converge			1:31	Jane Doe	2001	D Drop C	mute	1970-01-01
Bitter Bitter Sweet	Hayami Saori & Touyama Nao			3:50	Yahari Kono Character Song wa Machigatteiru.	2013	E Standard	mute	1970-01-01
Bitter Conflict	Dew Scented			3:44	Inwards	2002	D Standard	mute	1970-01-01
Bitter Divisions	Against Me!			4:06	White Crosses	2010	E Standard	mute	1970-01-01
Bitter End	Fit For a King			3:28	Creation Destruction	2013	Custom Tuning	mute	1970-01-01
Bitter Fruit	Little Steven			4:00	No Compromise	1987	E Standard	mute	1970-01-01
Bitter Loss	Entombed			4:25	Left Hand Path	1990	B Standard	mute	1970-01-01
Bitter Metallic Side	Kalmah			4:27	The Black Waltz	2006	D Standard	mute	1970-01-01
Bitter Seed	Cemetary			2:54	Black Vanity	1994	C# Standard	mute	1970-01-01
Bitter Sweet Symphony	The Verve			6:02	Urban Hymns	1997	E Standard	mute	1970-01-01