He call himself the SPRAY GURU and on his Facebook he is regulary about to explain how he executes a piece painted with MOLOTOW PREMIUM Spray Paint. In this one SPRAY GURU paints and explains SIA. If you haven't seen the original timelapse clip check it out now here. His videos was made to help anyone learn how to spray paint art (and not only graffiti).
"I believe that pray can art is a truly unique art form, and that's why I decided to dedicate this channel to spray paintings. Join me on the journey, and stick around... Many more tutorials and clips to come"