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
Mezase Happy 100	Satou Satomi			3:20	K-ON! Character Image Song Series - Tainaka Ritsu	2009	E Standard	mute	1970-01-01
Midnight Superstar	Nagata Yoriko			3:46	K-ON!! Character Image Songs - Suzuki Jun	2011	E Standard	mute	1970-01-01
No, Thank You	HTT			4:29	K-ON	2013	E Standard	mute	1970-01-01
No, Thank You!	Houkago Tea Time			4:17	K-ON!! ED2 Single	2010	E Standard	mute	1970-01-01
Oh My Giita!!	Toyosaki Aki			4:16	K-ON!! Character Image Songs - Hirasawa Yui	2010	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
Over the Starlight	Taketatsu Ayana			4:11	K-ON!! Character Image Songs - Nakano Azusa	2010	E Standard	mute	1970-01-01
Pinch Daisuki!	Hajime Hyakkoku			1:46	K-ON!! OST	2009	E Standard	mute	1970-01-01
Prologue	Fujitou Chika			4:38	K-ON! Character Image Song Series - Nanabe Nodoka	2009	E Standard	mute	1970-01-01
Sakuragaoka Joshi Koutou Gakkou Kouka (Rock Ver.)	Houkago Tea Time			3:02	K-ON!! Original Soundtrack Vol. 2	2010	E Standard	mute	1970-01-01
Samidare 20 Love (Studio Mix)	Houkago Tea Time			4:06	K-ON!! Houkago Tea Time II - CD1	2010	E Standard	mute	1970-01-01
Seishun Vibration	Hikasa Youko			3:38	K-ON!! Character Image Songs - Akiyama Mio	2010	E Standard	mute	1970-01-01
Shiawase Hiyori	Toyosaki Aki			3:48	K-ON!! Character Image Songs - Hirasawa Yui	2010	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