A content distributing server capable of reproducing desired display contents in conformity with reproduction of a desired musical composition. In response to a request from a terminal device, one of musical composition contents stored in a musical composition database is identified, and one of template contents stored in a template database is identified. A reproduction time length of the identified template content is adjusted according to a reproduction time length of the identified musical composition content. The adjusted template content is added to the musical composition content to generate a synthesized content, which is distributed to the terminal device.