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
365 Dney Leta	Bez Bileta			2:36	Single	2014	Drop D	mute	1970-01-01
37 Stitches	Drowning Pool			3:52	Full Circle	2007	C# Drop B	mute	1970-01-01
39	sasakure.UK x Deco27			3:49	39 (single)	2012	E Standard	mute	1970-01-01
3rd Measurement In C	Saosin			2:43	Translating the Name	2003	D Drop C	mute	1970-01-01
3rd Planet	Modest Mouse			4:01	The Moon & Antarctica	2000	E Standard	mute	1970-01-01
3rd World England	U.K. Subs			2:33	Universal	2002	E Standard	mute	1970-01-01
4 Challenges	Photon Maiden			4:00	4 4 Challenges(Single)	2021	Custom Tuning	mute	1970-01-01
4 Finger Exercise 1	kingkill_33			1:09	Exercises	2009	E Standard	mute	1970-01-01
4 Million Minutes	Zornik			3:47	4 Million Minutes	2008	E Standard	mute	1970-01-01
4 Words (To Choke Upon)	Bullet For My Valentine			3:50	The Poison	2005	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 Feet	Franz Ferdinand			3:27	Franz Ferdinand	2004	E Standard	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