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
Black Heart	Chimaira			4:36	Resurrection	2007	D Drop C	mute	1970-01-01
Black Heart	Sparzanza			3:27	Banisher Of The Light	2007	C# Drop B	mute	1970-01-01
Black Heart	Stone Temple Pilots			3:16	High Rise	2013	Opend G	mute	1970-01-01
Black Heart	Stooshe			3:32	London With The Lights On	2012	E Standard	mute	1970-01-01
Black Heart Rebellion	Insomnium			7:06	Shadows of the Dying Sun	2014	D Standard	mute	1970-01-01
Black Hearted Woman	Blue Murder			4:51	Blue Murder	1989	E Standard	mute	1970-01-01
Black Hearts	Jet			3:17	Shaka Rock	2009	E Standard	mute	1970-01-01
Cold Black Heart	Kitty In A Casket			3:39	Rise	2017	E Standard	mute	1970-01-01
Cold Black Heart (Eb STD)	Kitty In A Casket			3:39	Rise	2017	Eb Standard	mute	1970-01-01