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
When My Train Pulls In	Gary Clark Jr.			7:56	Blak and Blu	2012	E Standard	mute	1970-01-01
When Night Surrounds Me	Sacramentum			6:06	Far Away From The Sun	1996	E Standard	mute	1970-01-01
When Once Again We Can Set Our Sails	Amon Amarth			4:29	Berserker	2019	C Standard	mute	1970-01-01
When Satan Rules His World	Deicide			2:58	Once Upon The Cross	1995	D Standard	mute	1970-01-01
When Satan Rules His World	Deicide			3:02	Once Upon The Cross	1995	Eb Standard	mute	1970-01-01
When Sorrow Sang	Blind Guardian			4:28	Nightfall in Middle-Earth	1998	Eb Standard	mute	1970-01-01
When Stars Ignite	Claudio Pietronik			3:27	Ad Astra	2020	E Standard	mute	1970-01-01
When Stone Turns To Ash	Detonation			5:00	Emission Phase	2007	D Standard	mute	1970-01-01
When The Children Cry	White Lion			4:22	Pride	1987	E Standard	mute	1970-01-01
When The Crowds Are Gone	Savatage			5:48	Gutter Ballet	1989	E Standard	mute	1970-01-01
When The Fraction Is Fractioned	Biffy Clyro			3:38	The Vertigo of Bliss	2003	Drop D	mute	1970-01-01
When The Last Grave Has Emptied (Live)	The Black Dahlia Murder			3:33	Nightbringers	2017	C Standard	mute	1970-01-01
When The Levee Breaks	Led Zeppelin			7:12	Led Zeppelin IV	1971	E Standard	mute	1970-01-01
When The Machines Rock	Tubeway Army			3:19	Replicas	1979	E Standard	mute	1970-01-01
When The Moon's Reaching Out Stars	Shoji Meguro			2:18	Persona 3 OST	2006	E Standard	mute	1970-01-01