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
Jump	Fujitou Chika			4:02	K-ON!! Character Image Songs - Manabe Nodoka	2011	E Standard	mute	1970-01-01
Junjou Bomber!!	Nagata Yoriko			3:17	K-ON!! Character Image Songs - Suzuki Jun	2011	E Standard	mute	1970-01-01
Lost to Apathy	Dark Tranquillity			4:41	Character	2005	C# Standard	mute	1970-01-01
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
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
Prologue	Fujitou Chika			4:38	K-ON! Character Image Song Series - Nanabe Nodoka	2009	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
Soukuu no Monologue	Hikasa Youko			4:32	K-ON!! Character Image Songs - Akiyama Mio	2010	E Standard	mute	1970-01-01
Sunday Siesta	Toyosaki Aki			3:38	K-ON! Character Image Song Series - Hirasawa Yui	2009	E Standard	mute	1970-01-01