Mood: The mood of the video seems to be nostalgic and sentimental, with a hint of melancholy. The use of a cassette tape and the title 'Side A Side B' suggests a story about memories, love, or longing. The theme appears to be related to relationships, possibly a romantic drama or a coming-of-age story.

Environment: The setting of the video seems to be a mix of urban and possibly rural landscapes, given the presence of cityscapes and a bus in the background. The overall aesthetic is warm and golden, suggesting a story that takes place in India, possibly in the 80s or 90s, given the use of a cassette tape.