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
Royals	Lorde			3:12	Pure Heroine	2013	Drop D	mute	1970-01-01
Runes of Power	Summoning			5:55	Let Mortal Heroes Sing Your Fame	2001	E Standard	mute	1970-01-01
Shinobi no Susume	Shinonome Kokona			4:00	SWEET SMILE HEROES	2017	Eb Standard	mute	1970-01-01
Show Me A Leader	Alter Bridge			5:11	The Last Hero	2016	Eb Drop Db	mute	1970-01-01
Silent Scorn	Megadeth			1:45	The World Needs a Hero	2001	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
Sky Bird	Gran-Kurazh			5:38	Epochs, Heroes and Destinies	2021	Eb Standard	mute	1970-01-01
Slash Guitar Battle (Battle Style)	Slash			3:55	Guitar Heroes 3	2007	E Standard	mute	1970-01-01
Slave To The Evil Force	Aria			5:56	Hero of Asphalt	1987	E Standard	mute	1970-01-01
Smoking Snakes	Sabaton			3:19	Heroes	2014	Custom Tuning	mute	1970-01-01
Smoking Snakes	Sabaton			3:23	Heroes	2014	Custom Tuning	mute	1970-01-01
Smoking Snakes (b.alt)	Sabaton			3:18	Heroes	2014	E Standard	mute	1970-01-01
So Long Goodbye	Sum 41			3:04	Underclass Hero	2007	E Standard	mute	1970-01-01
Soldier Of 3 Armies	Sabaton			3:43	Heroes	2014	Custom Tuning	mute	1970-01-01
Soldier Of 3 Armies	Sabaton			3:46	Heroes	2014	Custom Tuning	mute	1970-01-01