Arts Collaborative Medford is hosting Life Drawing Boston's monthly long-pose session. Participants will be drawing two one-hour-long poses. This is a social night; come prepared to chat and get to know one another on a deeper level, and feel free to stay and socialize after poses are over. LDB  provides the model, drinks, drawing supplies, snacks, a DJ and bumping tunes. Feel free to bring your own sketchbook and tools if desired. There are breaks for socializing, stretching, eating and…