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
6 Underground (Nellee Hooper Edit)	Sneaker Pimps			3:56	Becoming X	1996	Eb Drop Db	mute	1970-01-01
6 to 8	AFI			4:23	The Art of Drowning	2000	E Standard	mute	1970-01-01
6/8	blink-182			3:50	California (Deluxe Edition)	2017	Drop D	mute	1970-01-01
634-5789	Wilson Pickett			3:03	The Exciting Wilson Pickett	1966	E Standard	mute	1970-01-01
666	Angeles del infierno			3:46	Demoniaco	1996	E Standard	mute	1970-01-01
666	Anvil			4:46	Metal On Metal	1982	E Standard	mute	1970-01-01
666	Rotting Christ			5:46	Kata Ton Daimona Eaytoy	2013	B Drop A	mute	1970-01-01
666 - World Divided	Kreator			4:47	666 - World Divided	2020	D Standard	mute	1970-01-01
666 Flags	Origami Angel			2:56	Somewhere City	2019	Open Db/C#	mute	1970-01-01
666 Voices Inside	Dark Funeral			4:47	Attera Totus Sanctus	2013	Eb Standard	mute	1970-01-01
67 Pontiac Firebird	Good Tiger			5:02	A Head Full of Moonlight	2015	Custom Tuning	mute	1970-01-01
687 days	David Maxim Micic			5:24	Who bit the moon	2017	Custom Tuning	mute	1970-01-01
6:00	grandson			4:32	A Modern Tragedy Vol. 1	2018	B Standard	mute	1970-01-01
6Teen	Teletoon			1:05	6Teen Opening	2004	E Standard	mute	1970-01-01
6_D_Sharp_Mixo_Blues 11.05.21	Kyle Abent			3:53	Computer Generated	2021	E Standard	mute	1970-01-01