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
Oarai Joshi Gakuen Team Zenshin Shimasu!	Hamaguchi Shirou			1:43	GIRLS und PANZER ORIGINAL SOUNDTRACK	2012	E Standard	mute	1970-01-01
Oblivion	The Unguided			3:59	Fragile Immortality	2014	D Drop C	mute	1970-01-01
Oblivion Rockin' Night Style	ESTi			2:07	DJMAX PORTABLE Original Sound Tracks	2006	E Standard	mute	1970-01-01
Ode to a Cluster Bomb	Panzerchrist			4:43	Regiment Ragnarok	2011	B Standard	mute	1970-01-01
Oh Boy!	Buddy Holly			2:18	From The Original Master Tapes	1957	E Standard	mute	1970-01-01
Oh Julie	Shakin' Stevens			2:30	Give Me Your Heart Tonight	1982	E Standard	mute	1970-01-01
Oh Me Oh My (I'm a Fool for You)	Aretha Franklin			3:47	This Girl's In Love with You	1972	E Standard	mute	1970-01-01
Oh My Love (No Bass)	John Lennon			2:49	Imagine	1971	E Standard	mute	1970-01-01
Ohayou Sayori!	Dan Salvato			2:47	Doki Doki Literature Club! (Original Soundtrack)	2017	E Standard	mute	1970-01-01
Ohayou, Mata Ashita	Houkago Tea Time			4:55	Singing!	2011	E Standard	mute	1970-01-01
Ohio/Machine Gun	The Isley Brothers			9:20	Givin' It Back	1971	E Standard	mute	1970-01-01
Oi Kora!	Yasuhiro Misawa			2:16	Yuruyuri no Ongaku YURUYURI ORIGINAL SOUNDTRAC	2011	E Standard	mute	1970-01-01
Okay, Everyone!	Dan Salvato			3:09	Doki Doki Literature Club! (Original Soundtrack)	2017	E Standard	mute	1970-01-01
Old Fat Spider	Maury Laws and Glenn Yarbrough			2:28	The Hobbit: The Complete Original Soundtrack	1977	E Standard	mute	1970-01-01
On Her Majesty's Secret Service	John Barry			2:39	On Her Majesty's Secret Service (Original Motion Picture Soundtrack)	1969	E Standard	mute	1970-01-01