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
4 Songs	Superjoint Ritual			6:22	Use Once and Destroy	2002	C# Standard	mute	1970-01-01
4.12.11	I,The Breather			3:23	Truth And Purpose	2012	D Drop C	mute	1970-01-01
4.Q	Blitz			1:39	Voice Of A Generation	1982	E Standard	mute	1970-01-01
40 (Live)	U2			6:53	1987 Live from Paris - Joshua Tree Tour	1987	Eb Standard	mute	1970-01-01
40 : 1	Sabaton			4:15	The Art of War	2008	E Standard	mute	1970-01-01
40 Feet	Franz Ferdinand			3:27	Franz Ferdinand	2004	E Standard	mute	1970-01-01
40 Nights	August Burns Red			3:57	Leveler	2011	D Drop C	mute	1970-01-01
40 Roll	Chris Turner			3:14	40 Roll (Single)	2020	Custom Tuning	mute	1970-01-01
40'	Franz Ferdinand			3:26	Franz Ferdinand	2004	E Standard	mute	1970-01-01
401Kill	Rise Against			3:23	The Unraveling	2001	E Standard	mute	1970-01-01
42	Coldplay			4:00	Viva la Vida or Death and All His Friends	2008	E Standard	mute	1970-01-01
432 BLAZE IT	Oceans Ate Alaska			1:18	432 Crew	2016	Custom Tuning	mute	1970-01-01
45 (A Matter of Time)	Sum 41			3:21	Order In Decline	2019	Eb Drop Db	mute	1970-01-01
4645	RADWIMPS			2:45	RADWIMPS 3	2006	E Standard	mute	1970-01-01
49 Bye-Byes	Crosby, Stills & Nash			5:09	Crosby, Stills & Nash	1969	E Standard	mute	1970-01-01