Boston residents and visitors are in for a treat as the Parks and Recreation Department hosts a variety of free events throughout the city’s green spaces this week, from July 28th until August 3rd. Tuesday features the Elma Lewis Playhouse in the Park at Franklin Park in Roxbury, presented in partnership with the Franklin Park Coalition. Wednesday brings Perfect Crime to the George Wright Golf Course in Hyde Park as part of the Golf Course Concert Series. The week continues on Thursday with the Tito Puente Concert Series featuring Kristalis y Las Nenas del Swing at Mission Hill Playground.…