Trapeze Kitchen, the upscale watering hole at Park Street is hosting a mixology class with ace mixologist Chong. The head mixologist who masters at potent tipples like Tom Collins, Hanky Panky and Sbagliato will be teaching how to ace curating five popular coccoctions like Scotch Smash, Gin Fizz, Margarita, Old Fashioned and Mosco Mule. He will also teach about the basics of bar gear and alcohol.