Mood: The mood of the video appears to be romantic and melancholic, with a focus on heartbreak or longing. The theme seems to revolve around love and relationships, with the title 'Piya Aaye Na' suggesting a yearning for a loved one. The overall emotion conveyed is one of nostalgia and wistfulness.

Environment: The setting of the video appears to be a rooftop or balcony with a cityscape in the background. The presence of a guitar and a couple sitting together suggests a casual, intimate atmosphere. The urban backdrop and modern architecture imply that the video is set in a contemporary, metropolitan environment.