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
Sorairo Days	Nakagawa Shouko			4:16	Sora iro Days	2007	E Standard	mute	1970-01-01
Sorairo Days	Shoko Nakagawa			4:16	TT Gurren Lagann OST	2007	E Standard	mute	1970-01-01
Sorairo Days (Icy Tail Cover)	Sayuri Yahagi			4:13	冴えない彼女の育てかたBlessing Software Special CD Vol.7	2015	E Standard	mute	1970-01-01
Soramimi Cake	Oranges & Lemons			3:57	Soramimi Cake/Raspberry heaven / Oranges & Lemons	2002	E Standard	mute	1970-01-01
Soraya	Animals as Leaders			4:31	Animals as Leaders	2009	BEADG	mute	1970-01-01
Sound Chimera	Laur	Bass2		5:12	The Angel's Message	2018	Custom Tuning	mute	1970-01-01
Sounds of Then (this is Australia)	GanGgajang			3:59	Sounds of Then	1985	E Standard	mute	1970-01-01
Sour Grapes	Descendents	Combo		3:56	Enjoy!	1986	E Standard	mute	1970-01-01
Space Race	Billy Preston	Bass2		3:28	Everybody Likes Some Kind of Music	1973	E Standard	mute	1970-01-01
Spacegrass	Clutch			6:32	Clutch	1995	E Standard	mute	1970-01-01
Spanish Caravan	The Doors			3:01	Waiting for the Sun	1968	E Standard	mute	1970-01-01
Spanish Radio	Biffy Clyro			3:54	Opposites (Deluxe Edition)	2013	Eb Drop Db	mute	1970-01-01
Spanish Sahara	Foals			6:49	Total Life Forever	2010	E Standard	mute	1970-01-01
Spanish Train	Chris De Burgh			5:02	Spark To A Flame: The Very Best Of Chris De Burgh	1975	E Standard	mute	1970-01-01
Spectrum (Rainbow Dash's Theme)	AcousticBrony			3:48	AcousticBrony	2011	D Standard	mute	1970-01-01