However keen you are, it is highly unlikely that you can organise an event on your own - you need a group. Groups often form around the desire to run a festival or event with the celebration of a theme, art form or sport in mind. This usually starts off being an informal grouping but as soon as the group starts to handle money then a formal statement of roles and responsibilities and decision-making becomes necessary. People volunteer for committee work for a wide variety of reasons but primarily they become involved with an organisation or an event and.