Boston, Massachusetts -- 05/20/2014-- Matt Finstein, 28, of Lower Allston leans back as he plays trombone with bandmates (L-R) John Baylies, 22, of Allston, Matt Salvo, 23, of Waltham and Gabriel Labovitz, 23, of Watertown on the Boston Common in Boston, Massachusetts May 20, 2014. Jessica Rinaldi/Globe Staff Topic: Feature01 Reporter: None