Mood: The mood of the video appears to be energetic and lively, with a theme of celebration and revelry. The use of bright colors and the silhouette of a crowd with raised hands suggests a sense of excitement and joy, indicating that the video may be a music mashup or a concert video.

Environment: The environment of the video seems to be a nightclub or a concert venue, with a stage and bright lights in the background. The crowd is likely dancing and enjoying the music, creating a lively and vibrant atmosphere.