The purpose of this Bachelor thesis is the description of the development of the clarinet play in a folk music in the region Chodsko. The thesis is based on the source comparison of sheet music and recordings from the year 1893 till now. It is focused on changes of flourishes, pace rhythmization and tuning. Together with this research there is also an effort to acquaint the reader with this West Bohemia region, which is one of the last regions keeping its traditions alive. In addition to the factual comparison of the particular folk music records the key part also represents interviews with local respondents where they express their opinions. These people live in above-mentioned region. On one side, these are long listeners of local folk ...