The indie pop dance duo Matt + Kim never stopped smiling during their show on Sunday night at the House of Blues in Boston. Between Kim yelling to her mom on the second balcony about her “va-gee-gee” to moments of Matt bashfully thanking the crowd … they … never … stopped … smiling. Not dissimilar to a puppy chasing it’s tail, their nonstop, full cylinder party borders maniacal and endearing. Boston was their second show in a headlining tour that supports their one week old album “New Glow,” so as Matt proudly proclaimed, they were fresh. Being alumni of renowned art school, Pratt, they create an entrancing performance with visuals to elicit the same giddy smiles . It was a magnificent chaos.