Mood: The mood of the video appears to be nostalgic and creative, with a sense of behind-the-scenes excitement. The theme seems to revolve around the making of a musical film or a song, possibly from the movie 'Jab Tak Hai Jaan'. The overall emotion evoked is one of anticipation and curiosity.

Environment: The setting appears to be a film set or a studio, with a man sitting in front of a beige background that resembles a wall with some text or script on it. The environment seems to be informal, yet creative and artistic.