On June 20-21, World Music Day, an all-night music celebration to mark the beginning of the summer solstice (June 21),  musicians worldwide perform all styles of music public spaces without any restriction.  Many bars and clubs in Miami, along Biscayne Blvd and downtown Miami, will float distinctive Make Music Miami balloons to enable revelers to go bar hopping.  In Miami, notably in Little Haiti, the « Big Night in Little Haiti » will be held on Friday, June 20, from 6 to 8 p.m. For information log on to or contact (305) 960-2969). In Coral Gables,  the French Division of Dante Alighieri will celebrate from 5 :50 to 7 :30 p.m. with French composers and songs along with French-style bites and wines. La Società Dante Alighieri , 300, Aragon Avenue, Coral Gables (  305 529 6633). Free admission.  There will also be a poolside musical afternoon at the Sofitel Miami   with DJ. Hotel Sofitel, 5800 Blue Lagoon Drive