A style of music from this country based on a repeated I – IV – I 6/4 ‒ V (“one, four, one-six-four, five”) progression was developed at illegal liquor-dealing establishments in the 1920s. (15[1])Migrant laborers developed an all-male style of vocal music from this country whose name translates as “walk softly.” The pennywhistle is featured in this country’s kwela (15[2])music, which developed from marabi. John Mehegan’s (-5[1])visit to this country inspired the formation of a jazz group led by a musician nicknamed (*) Dollar Brand. In 1939, (10[1])Gallo Records recorded a song from this country sung in the isicathamiya (“ee-see-kah-tha-ME-ya”) style by Solomon Linda (10[1])and His Evening Birds, later recorded by The Weavers as “Wimoweh.” (10[1])An album from this country titled for a city’s “indestructible beat” features guitar-based (10[1])mbaq’anga (“umm-bah-KON-gah”) music, which was also performed by Miriam Makeba and Hugh Masekela. (10[1])For 10 points, what country is home to Ladysmith (10[1])Black Mambazo and the plastic vuvuzela? ■END■ (10[1])