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
Niji	L'Arc-en-Ciel			5:11	Heart	1998	E Standard	mute	1970-01-01
Nijiiro Passions! (TV Size)	Nijigasaki High School Idol Club			1:40	Nijiiro Passions!	2020	E Standard	mute	1970-01-01
Nijiiro no Flugel	Yuki Aoi, Nana Mizuki, Ayahi Takagaki, Yoko Hikasa, Yoshino Nanjo, Ai Kayano, Minami Takayama			5:15	Senkizeshou SympshogearG Original Soundtrack6	2014	E Standard	mute	1970-01-01