The Dirty Dozen Brass Band will headline Louisville's favorite night racing party as Churchill Downs celebrates the Big Easy this Saturday. The world famous music machine whose name is synonymous with genre-bending romps and high-octane performances will perform from 8:30 p.m. - 11:30 p.m. on the Plaza Stage. The evening will also feature 11 live races, including 6 stakes races, Kentucky Derby 145 trophy photo ops and award ceremony, a high swinging and hard-blowing performance by local four-beat band the West Market Stompers, a Second Line Parade and Bourbon Street themed cocktails and street performers. Guests are encouraged to wear purple, green or gold.