German as an official language. German is the official language of six countries, all of which lie in central and western Europe. These countries (with the addition of South Tyrol of Italy) also form the Council for German Orthography and are referred to as the German Sprachraum (German language area). Since 2004, Meetings of German-speaking countries have been held annually …

Jazz is a music genre that originated in the African-American communities of New Orleans, Louisiana in the late 19th and early 20th centuries, with its roots in blues and ragtime. Since the 1920s Jazz Age, it has been recognized as a major form of musical expression in traditional and popular music.Jazz is characterized by swing and blue notes, complex chords, call and …