Mood: The mood of the video appears to be creative and behind-the-scenes, with a focus on music. The emotion conveyed is one of excitement and anticipation, as the title suggests that the video will reveal the making of a song. The theme seems to be related to the music industry, specifically the creation of a song.

Environment: The environment appears to be a recording studio or a music production setting, with a microphone and a music sheet visible in the foreground. The background is blurred, but it seems to be a room with musical equipment, suggesting a professional music production setup.