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
Once	Pearl Jam			4:00	Ten	1991	E Standard	mute	1970-01-01
Once Bitten Twice Shy	Great White			5:28	...Twice Shy	1989	E Standard	mute	1970-01-01
Once I Had A Sweetheart	Pentangle			4:38	Basket Of Light	1969	E Standard	mute	1970-01-01
Once I'm Broken	The Hellfreaks			2:59	Circus of Shame	2012	E Standard	mute	1970-01-01
Once In A Lifetime	All Time Low			3:18	Once In A Lifetime (Single)	2021	E Standard	mute	1970-01-01
Once In A Lifetime	Keith Urban			5:55	Love, Pain & The Whole Crazy Thing	2006	E Standard	mute	1970-01-01
Once In A Lifetime	Talking Heads			4:22	Remain In Light	1981	E Standard	mute	1970-01-01
Once More 'Round The Sun	Mastodon			3:00	Once More 'Round The Sun	2014	D Drop C	mute	1970-01-01
Once More Without Feeling	Pinhead Gunpowder			1:50	Goodbye Ellston Avenue	1997	E Standard	mute	1970-01-01
Once My Eye Moved Mountains	Eucharist			2:38	A Velvet Creation	1993	B Standard	mute	1970-01-01
Once Upon A Daydream	The Police			3:31	B-Side of Synchronicity II	1983	E Standard	mute	1970-01-01
Once Upon A Time In Texas	Eric Johnson			3:45	EJ	2016	E Standard	mute	1970-01-01
Once Upon A Time In The West	Dire Straits			5:18	Communique	1979	E Standard	mute	1970-01-01
Once Upon A Time...Storybook Love	Mark Knopfler			2:32	Princess Bride OST	1987	E Standard	mute	1970-01-01
Once Upon The Cross	DEICIDE			3:45	Once Upon the Cross	1995	Eb Standard	mute	1970-01-01