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
The Machine	In The Midst Of Lions			3:16	The Heart Of Man	2010	D Drop C	mute	1970-01-01
The Machine	RE:MAKE			3:37	Save You	2018	Drop D	mute	1970-01-01
The Machine (Harkonnen)	David Arkenstone			4:50	Emperor : Battle For Dune	2001	E Standard	mute	1970-01-01
The Man With The Machine Gun	Nobuo Uematsu			2:53	Final Fantasy VIII	1999	E Standard	mute	1970-01-01
The Social Riot Machines	the GazettE			3:39	DISORDER	2004	D Standard	mute	1970-01-01
The Thinking Machine	Vinnie Moore			4:45	The Maze	1999	E Standard	mute	1970-01-01
The Time Machine	Iron Maiden			7:12	Senjutsu	2021	E Standard	mute	1970-01-01
The War Machine Embodiment	Inferi			4:46	The End of an Era	2011	D Standard	mute	1970-01-01
This Machine (Team Dark)	Julien-K			4:26	Sonic Hereos Official Soundtrack	2003	E Standard	mute	1970-01-01
Time Machine	Accept			5:27	Blood Of The Nations	2010	E Standard	mute	1970-01-01
Time Machine	Black Sabbath			4:21	Dehumanizer	1992	Eb Standard	mute	1970-01-01
Time Machine	Black Sabbath			4:21	Dehumanizer	1992	Eb Standard	mute	1970-01-01
Time Machine	Joe Satriani			5:06	Time Machine	1993	Drop D	mute	1970-01-01
Time Machine	Window Business			3:42	Before The War	2019	E Standard	mute	1970-01-01
Vending Machine Gun	The Dead Deads			3:37	For Your Obliteration	2016	Eb Drop Db	mute	1970-01-01