This thesis studies the production and management of a two day music festival Sunset Beach Party, which was organized for the 20th time in the city of Karkkila on the 17th and 18th of July 2009. The theoretical part of the thesis consists of literature on project and event management and marketing. Jukka Tallgren is the main organizer of the event and the managing director of Ilmiö-tuotanto Ltd. The work conducted by him and the core team members prior, during and after the event is documented in the thesis and compared to the event management theory. Events are highly complex projects with many variants and services provided. An event manager must be able to control the entire project, to delegate and supervise different tasks. Ultimat...