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
Jumpin'	Poppin'Party			4:11	Jumpin'	2019	E Standard	mute	1970-01-01
Kimi ni Moratta Mono	Poppin'Party			3:59	Christmas no Uta	2017	E Standard	mute	1970-01-01
Kirakira datoka Yume datoka Sing Girls	Poppin'Party			5:13	Kirakira datoka Yume datoka Sing Girls	2017	E Standard	mute	1970-01-01
Kizuna Music	Poppin'Party			5:20	Kizuna Music	2018	E Standard	mute	1970-01-01
Light Delight	Poppin'Party			5:13	CiRCLING	2018	E Standard	mute	1970-01-01
Live Beyond!! (MV Ver.)	Poppin'Party			2:23	Live Beyond!!	2021	E Standard	mute	1970-01-01
Mae he Susume!	Poppin'Party			5:13	Mae he Susume!/Yumemiru Sunflower	2017	E Standard	mute	1970-01-01
Moonlight Walk	Poppin'Party			3:55	Live Beyond!!	2021	E Standard	mute	1970-01-01
Natsu no Do-n!	Poppin'Party			3:44	Time Lapse	2017	E Standard	mute	1970-01-01
Natsuzora! SUN! SUN! SEVEN!	Poppin'Party			4:36	STAR BEAT! Hoshi no Kodou	2017	E Standard	mute	1970-01-01
Poppin'Shuffle	Poppin'Party			4:43	Yes! BanG_Dream!	2017	E Standard	mute	1970-01-01
Returns	Poppin'Party			5:27	Dreamers Go!/Returns	2019	E Standard	mute	1970-01-01
SAKURA MEMORIES	Poppin'Party			4:21	イニシャル/夢を撃ち抜く瞬間に! Special Edition	2020	E Standard	mute	1970-01-01
STAR BEAT! Hoshi no Kodou	Poppin'Party			5:23	STAR BEAT! Hoshi no Kodou	2017	E Standard	mute	1970-01-01
Saikou!	Poppin'Party			3:51	Double Rainbow/Saikou	2019	E Standard	mute	1970-01-01