Mood: The mood of the video appears to be lively and energetic, with a theme of music and dance. The images of the individuals in stylish outfits and the vibrant colors used suggest a fun and upbeat tone. The word 'Smashup' implies a mashup or fusion of different elements, possibly music genres or dance styles.

Environment: The environment appears to be a mix of glamorous and modern settings, possibly a nightclub or a stage. The background of the images suggests a cityscape or a luxurious setting, with bright lights and bold colors. The overall setting seems to be one of entertainment and performance.