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
36	System of a Down			0:49	Steal This Album!	2002	D Drop C	mute	1970-01-01
36-24-36	The Shadows			1:45	The Shadows	1961	E Standard	mute	1970-01-01
365 Dney Leta	Bez Bileta			2:36	Single	2014	Drop D	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 Rock From The Sun	Ben Vaughn			0:38	TV Themes	1996	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 Elementos	La Musicalite Feat. Sueño De Morfeo			3:42	4 Elementos	2009	E Standard	mute	1970-01-01
4 Finger Exercise 1	kingkill_33			1:09	Exercises	2009	E Standard	mute	1970-01-01
4 In The Morning	Gwen Stefani			4:26	The Sweet Escape	2006	E Standard	mute	1970-01-01
4 Million Minutes	Zornik			3:47	4 Million Minutes	2008	E Standard	mute	1970-01-01
4 Songs	Superjoint Ritual			6:22	Use Once and Destroy	2002	C# 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
4.12.11	I,The Breather			3:23	Truth And Purpose	2012	D Drop C	mute	1970-01-01