Mood: The mood of this video appears to be nostalgic and romantic, with a focus on music and celebration. The theme seems to be a musical compilation or a soundtrack for a romantic film, with a diverse cast of singers and musicians coming together to create a memorable experience. The overall emotion evoked is one of excitement and anticipation, as the trailer promises to take viewers on a journey of rewind to nostalgia.

Environment: The setting of this video appears to be a promotional or advertising environment, likely for a music album or a film soundtrack. The background is dark with blue dots, suggesting a nighttime or studio setting. The presence of multiple singers and musicians in the image suggests a collaborative effort, possibly a music festival or a recording studio.