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
Yes! Yuyuyu Yuru Yuri	Mikami Shiori & Ootsubo Yuka & Tsuda Minami & Ookubo Rumi			4:03	Yuru Yuri 2 OP Single	2012	E Standard	mute	1970-01-01
Yuri Yura Rarara Yuru Yuri Dai Jiken	Mikami Shiori & Ootsubo Yuka & Tsuda Minami & Ookubo Rumi			1:35	Yuru Yuri OP	2012	E Standard	mute	1970-01-01
ZERO!!	Minami Kuribayashi			1:34	The Devil is a Part Timer OP	2013	E Standard	mute	1970-01-01