Abstract
This study attempts to clarify the process for building a community bound by the same theme (Theme Community) through organizing a new art festival with public involvement in a hilly and mountainous area which has a strong community rooted in a locality. In the studied case, “Earth Art Festa 2009”, local people's roles were divided into 28 types and each role team has been fostered to become a Theme Community. In addition, the communities have built the strong relationship both inside each team and with other teams through team building programs and the network with other communities. Creating the many opportunities throughout the preparation process of the festival, to discuss on how they can play a part in the local community after the festival also helped people to continuously participate in the activities for the local area as the member of the Theme Community.
