General Knowledge: In 1927 The Jazz Singer, starring Al Jolson, was historically important as: The last silent film The first sound film ("talkie") A performance that was broadcast exclusively on the radio A Broadway musical set in the 1850s General Knowledge: This rhythmic element heard in Swing music and other jazz-related styles features off-beat accents that go against the regular steady beat. Call-and-response Crooning Improvisation Syncopation General Knowledge: This Country Blues artist exemplifies the "wandering musician" experience of many African-American male performers from the South, in the early-20th century. Blind Lemon Jefferson Gene Austin Jimmie Rodgers Glenn Miller .