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
Si lo se me meo	Porretas			3:14	baladas pa un sordo	1997	E Standard	mute	1970-01-01
Siamo Solo Noi	Vasco Rossi			5:59	Siamo Solo Noi	1980	E Standard	mute	1970-01-01
Sick Boogie Murder	Trepalium			3:21	Alchemik Clockwork Of Disorder	2006	D Drop C	mute	1970-01-01
Sickness Unto Foolish Death	Akira Yamaoka			3:06	Silent Hill 3 Original Soundtracks	2003	Drop D	mute	1970-01-01
Side Of A Bullet	Nickelback			3:03	All The Right Reasons	2005	Custom Tuning	mute	1970-01-01
Silent Circus	Akira Yamaoka			2:59	Silent Hill 4: The Room Original Soundtracks (Disc 1)	2004	E Standard	mute	1970-01-01
Silent Prison	Norikazu Miura			4:05	Castlevania: Portrait of Ruin Original Soundtrack	2007	E Standard	mute	1970-01-01
Silent Scream	Slayer			3:08	South Of Heaven	1988	Eb Standard	mute	1970-01-01
Silhouettes	Smile Empty Soul			3:55	Smile Empty Soul	2003	Eb Drop Db	mute	1970-01-01
Silk Sonic Intro	Bruno Mars, Anderson .Paak, Silk Sonic			1:08	An Evening With Silk Sonic	2019	E Standard	mute	1970-01-01
Silly Love Songs	Paul McCartney & Wings			5:57	Wings at the Speed of Sound	1976	E Standard	mute	1970-01-01
Silver Will	Toshiharu Okajima			2:24	The Legend of Heroes: Sora No Kiseki FC Evolution Original Sound Track	2015	E Standard	mute	1970-01-01
Simple Boy	Karnivool			5:47	Sound Awake	2009	Custom Tuning	mute	1970-01-01
Sincerely	TRUE			4:39	Violet Evergarden Original Soundtrack	2018	E Standard	mute	1970-01-01
Sing Alive	Roselia			5:20	BanG Dream! Episode of Roselia" Theme Songs Collection	2021	Drop D	mute	1970-01-01