Mood: The mood of this video appears to be dark and moody, with a sense of intensity and possibly even melancholy. The theme seems to be related to music, specifically a mashup, and the title 'WANNA MASH UP' suggests a high-energy and dynamic video. The overall emotion conveyed is one of intrigue and curiosity.

Environment: The setting of the video is not explicitly clear, but based on the dark background and the woman's expression, it could be a nighttime or indoor setting. The presence of the word 'HIGHWAY' in the top-left corner suggests that the video may have some connection to a road or a journey.