Write an article highlighting the Thursday Night Summer Concert Series in Old Lyme, focusing on its cultural impact and community spirit. Include tips on how to prepare for a concert outing, such as items to bring and where to sit for the best experience. Encourage readers to explore local eateries or art galleries before or after the events to enhance their evening. Additionally, create a section inviting attendees to share their concert experiences through a designated social media hashtag, fostering community connection. Finally, suggest ways to engage with local sustainability efforts during the series, contributing to a greener concert environment.