20:05Mary Ann Kennedy's Global Gathering20/07/2010BBC Radio Scotland Duration: 1 hour, 55 minutes Tue 20th Jul 2010, 20:05 on BBC Radio Scotland MWMary Ann presents an A to Z of World Music - everything from Argentina's Astor Piazzolla to the joys of zydeco, the roots music of America.GenresMusicWorldBrandMary Ann Kennedy's Global Gathering Source: BBC Online