The book is dedicated to the FL Studio program, a virtual studio designed to create music based on the cyclical repetition of fragments. The third edition of the book takes into account all the new elements that have appeared in the latest versions of FL Studio. Recommendations for preparing the program for effective work, connecting MIDI-keyboard, microphone, mixer. The essence of effects, processing and methods of sound synthesis is considered. The technologies of constructing patterns in a step-by-step sequencer with the help of Graph and Keyboard editors, assembling compositions from patterns in the Playlist editor, constructing a melody in the Piano roll editor, applying built-in generator plugins and effects. Detailed description of the FL Slayer VST instrument for creating guitar parts. Shown how to use FL Studio in conjunction with Cubase SX, SONAR and Adobe Audition. The disc accompanying the book contains examples of projects, musical compositions and a demo version of the program. For users interested in recording and processing music on a computer. The disc is missing.