 and Highland Green, committed to fostering a resident-driven, active lifestyle community for those 55 and better. HighlandGreenLifestyle.com. On the next Maine Calling, the world of pipe organs. I'm Jennifer Rooks. As part of our Passions and Pastimes series, we pull out all the stops and learn about these remarkable instruments. Maine has quite a few. We'll learn from people who build and play organs and what makes organ music unique.