The book "Roland Jupiter-6" offers a comprehensive analysis of the synthesizer of the same name, which was introduced by the Roland Corporation in 1983. It is aimed at music enthusiasts and professionals interested in the development and technical aspects of this significant instrument. The Jupiter-6 is described as a versatile and reliable tool capable of producing a wide range of sounds, from atmospheric drones to punchy synthesizer lines. The synthesizer's programmability is highlighted as user-friendly yet challenging, making it a popular choice among music producers. The book includes information on the technical specifications, sound capabilities, and the application of the Jupiter-6 across various music genres.