DUBAI, United Arab Emirates -- Those who fetch $130 for a barrel of oil can call the tune these days. And it seems the tune is becoming so catchy that even Madonna, the original Material Girl, might be singing soon in this rich Gulf city-state.

VENUES AmAir: AmericanAirlines Arena, 601 Biscayne Blvd., Miami, 786-777-1000, aaarena.com Arsht: Adrienne Arsht Center for the Performing Arts (Ziff Ballet Opera House, Knight Concert Hall, Studio Theater), 1300 Biscayne Blvd., Miami, 305-949-6722,