Satoru Kōsaki
is the fourth such album containing background music tracks and radio segments from the anime version of "Lucky Star", which was released on September 28, 2007 with the fourth DVD. The first five tracks are BGM tracks from the anime, all composition are Satoru Kōsaki with the exception of what is noted, and the last six are from radio segments from Radio Program "Lucky Channel" with Hiromi Konno as Akira Kogami and Minoru Shiraishi as himself.