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
Lovely Sister LOVE	Yonezawa Madoka			4:39	K-ON! Character Image Song Series - Hirasawa Ui	2009	E Standard	mute	1970-01-01
Oui! Ai Kotoba	Yonezawa Madoka			4:02	K-ON! Character Image Song Series - Hirasawa Ui	2009	E Standard	mute	1970-01-01
Shiny GEMS	Yonezawa Madoka			3:26	K-ON!! Character Image Songs - Hirasawa Ui	2011	E Standard	mute	1970-01-01
Uki Uki New! My Way	Yonezawa Madoka			4:13	K-ON!! Character Image Songs - Hirasawa Ui	2011	E Standard	mute	1970-01-01