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
Main Theme	Vladimir Simunek			3:16	Mafia: The City of Lost Heaven	2002	E Standard	mute	1970-01-01
Main Theme (Acoustic)	Nobuo Uematsu			3:15	Final Fantasy VII Original Soundtrack	1997	E Standard	mute	1970-01-01
Main Theme (FFI)	Uematsu, Nobuo			1:08	All Sounds of Final Fantasy I - II	1989	E Standard	mute	1970-01-01
Main Theme (Metro 2033)	Jan Pouska			2:41	Metro 2033 Original Soundtrack	2010	E Standard	mute	1970-01-01
Main Theme Acoustic	Inon Zur			2:00	Fallout New Vegas OST	2010	Drop D	mute	1970-01-01
Main Theme Acoustic	Josh Mancell			1:37	Crash Bandicoot 3: Warped OST	1998	E Standard	mute	1970-01-01
Main Theme Acoustic	Tadashi Kimijima			2:36	Bubble Bobble Soundtrack	1988	E Standard	mute	1970-01-01
Main Theme Skateboarding	Norihiko Hibino			3:24	Metal Gear Solid 2 Substance OST	2002	E Standard	mute	1970-01-01
Metro 2033 Main Theme	Alexey Omelchuk/Albert Gyorfi			1:09	Metro 2033 OST	2014	E Standard	mute	1970-01-01
Metroid Prime Main Theme	Kenji Yamamoto			3:13	Metroid Prime OST	2002	D Standard	mute	1970-01-01
Nioh Main Theme	Yugo Kanno			4:13	Nioh Soundtrack	2017	E Standard	mute	1970-01-01
Overwatch Main Theme	Blizzard			2:07	Overwatch	2016	D Drop C	mute	1970-01-01
Pitfall 2 Main Theme	David Crane			1:36	Pitfall 2 Lost Caverns	1984	E Standard	mute	1970-01-01
Puppet Master Main Theme Song	Richard Band			1:17	Puppet Master OST	1989	E Standard	mute	1970-01-01
Resident Evil Main Theme	Marilyn Manson			2:12	Resident Evil: Music From And Inspired By The Original Motion Picture	2002	E Standard	mute	1970-01-01