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
Separate Ways	Gary Moore			4:54	All the Best	2012	E Standard	mute	1970-01-01
Shake & Tumble	Firehouse			3:34	Playlist: The Very Best Of Fir	2010	Eb Standard	mute	1970-01-01
Sign	Flow			3:55	Flow Anime Best	2018	E Standard	mute	1970-01-01
Smilife	Stereopony			3:40	Best of Stereopony	2012	E Standard	mute	1970-01-01
Someday	Lee Roy Parnell	Bass2		3:56	The Best of Country Sing the Best of Disney	1996	Drop D	mute	1970-01-01
Someday	Sugar Ray			4:08	The Best Of Sugar Ray	2005	E Standard	mute	1970-01-01
Something So Strong	Crowded House			2:58	Recurring Dream: The Very Best of Crowded House	1996	E Standard	mute	1970-01-01
Something To Believe In	Poison			5:33	Best Of Ballads & Blues	2003	Eb Standard	mute	1970-01-01
Sometimes	James			5:11	James: The Best Of	1993	E Standard	mute	1970-01-01
Souzou Diary	Nao Touyama & Kana Hanazawa & Mikako Komatsu & Kana Asumi			3:47	NISEKOI BEST SONGS	2014	E Standard	mute	1970-01-01
Spanish Eyes	U2			3:16	Best of 1980-1990	1987	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
Stand by me	Stereopony			4:29	Best of Stereopony	2012	E Standard	mute	1970-01-01
Still Alive	Jonathan Coulton/Gonçalo Martins			3:19	Best. Concert. Ever.	2009	Custom Tuning	mute	1970-01-01
Straight To My Heart	Michiya Haruhata			4:17	Best Works 1987-2008 Route 86	2008	E Standard	mute	1970-01-01