Mood: The mood of this video appears to be energetic and lively, with a theme of youthful rebellion or confidence. The use of bright colors and bold typography suggests a vibrant and attention-grabbing tone. The overall theme seems to be related to friendship or camaraderie, as indicated by the group pose of the four individuals.

Environment: The environment or setting of the video is likely an urban or modern backdrop, given the attire and hairstyles of the individuals. The plain white background suggests a studio or indoor setting, possibly with a focus on showcasing the performers and their music.