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
Heavy Metal	Bring me the Horizon			4:04	Amo	2019	B Drop A	mute	1970-01-01
Heavy Metal	Sammy Hagar			3:52	The Essential Red Collection	2004	E Standard	mute	1970-01-01
Heavy Metal (Is the Law)	Helloween			4:00	Walls of Jericho	1985	E Standard	mute	1970-01-01
Heavy Metal (Takin' A Ride)	Don Felder			4:47	Heavy Metal Soundtrack	1981	E Standard	mute	1970-01-01
Heavy Metal (Takin' a Ride)	Don Felder			4:53	Heavy Metal Soundtrack	1981	E Standard	mute	1970-01-01
Heavy Metal Breakdown	Grave Digger			3:44	Heavy Metal Breakdown	1984	E Standard	mute	1970-01-01
Heavy Metal Chipmunk	The Brotherhood of the Beaver			4:16	The Brotherhood of the Beaver	2018	Eb Standard	mute	1970-01-01
Heavy Metal Guitar School P.1	Lesson Guitar			5:04	unknown	1999	E Standard	mute	1970-01-01
Heavy Metal Never Dies	Iron Savior			4:23	The Landing	2011	E Standard	mute	1970-01-01
Heavy Metal Pirates	Alestorm			4:28	Black Sails At Midnight	2009	C Standard	mute	1970-01-01
Heavy Metal Soldiers	Iron Angel			3:03	Hellish Crossfire	1985	E Standard	mute	1970-01-01
Heavy Metal Thunder	Sex Machineguns			5:27	HEAVY METAL THUNDER	2005	E Standard	mute	1970-01-01
Heavy Metal in the Night	Dream Evil			4:58	Gold Medal In Metal CD1	2002	D Standard	mute	1970-01-01
Heavy Metal: The Black and Silver	Blue Öyster Cult			3:23	Fire of Unknown Origin	1981	E Standard	mute	1970-01-01
Power Rangers Theme Heavy Metal	Charlie Parra del Riego			1:27	Charlie Parra del Riego	2010	D Drop C	mute	1970-01-01