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
So Nice	Diana Krall			3:54	Quiet Nights	2009	E Standard	mute	1970-01-01
So Sad	King Diamond			4:41	The Puppet Master	2003	E Standard	mute	1970-01-01
So Strange (feat. Cuco)	Polyphia			4:02	New Levels New Devils	2018	Drop D	mute	1970-01-01
Sock It To 'Em J.B.	The Specials			3:01	More Specials	1980	E Standard	mute	1970-01-01
Soft Spoken	Naia Izumi			4:33	Soft Spoken	2018	E Standard	mute	1970-01-01
Soil's Song - Studio	Katatonia			4:22	The Great Cold Distance	2006	C Standard	mute	1970-01-01
Solanin	Asian Kung-Fu Generation			4:38	Magic Disc	2010	E Standard	mute	1970-01-01
Solar	Aviana			3:14	Polarize	2017	B Drop A	mute	1970-01-01
Sole Spento	Timoria			4:22	El Topo Grand Hotel	2001	E Standard	mute	1970-01-01
Sole Survivor	ASIA			4:52	ASIA	1982	E Standard	mute	1970-01-01
Sole Survivor	Asia			4:50	Asia	1982	E Standard	mute	1970-01-01
Solitary Man (Live)	Neil Diamond			3:07	Hot August Nights	1972	E Standard	mute	1970-01-01
Solomon's Seal	Siam Shade			6:24	Siam Shade V	1998	E Standard	mute	1970-01-01
Somebody Save Me	Krypteria			5:02	Bloodangel's Cry	2007	Drop D	mute	1970-01-01
Someone Somewhere	Asking Alexandria			3:40	Reckless And Relentless	2011	D Drop C	mute	1970-01-01