Singer-songwriter Samantha Natalie performs “Glass Half-Full - A Songwriter’s Second Act” at 5:30 p.m. May 4 in the Lauritzen Gallery at the Marco Island Center for the Arts. $25 members; $30 non-members. Submit calendar listings and high-resolution photos to events@floridaweekly.com. Email text, jpegs or Word documents are accepted. No pdfs or photos of fliers,