The Dallas Mavericks play the Miami Heat tonight at American Airlines Center 2500 Victory Ave., Dallas at 7:30pm. www.ticketmaster.com The art gallery “Dance Theater of Harlem: 40 Years of Firsts” opens today. Its free. The gallery will focus on many accomplishments of African Americans and other minorities who dared to overcome prejudice and pursue their passion. Its at the Irving Arts Center, 3333 N. MacArthur Blvd., in Irving. Enjoy the entertainment, food and fun of The Classical Open Mic at Buzzbrews Kitchen. 4334 Lemmon Ave., Dallas. Its free to get in, and local classical artist get together to flex their muscle. It starts about 8pm. Jazz artist Drea Kelley is performing at Sambuca in Dallas tonight. 2120 McKinney Ave. Get there about 8pm. Its Hookahs and Hip Hop again tonight at Momo's! 2800 Routh St ., Dallas. Its from 9pm to 2am. The kitchen is open late. Tonight at the S...