Mood: The mood of the video appears to be nostalgic and melodic, evoking a sense of musical nostalgia. The theme seems to be a compilation of popular songs by Arijit Singh, one of India's most renowned singers, from the year 2014. The emotion conveyed is one of joy and musical appreciation.

Environment: The setting of the video seems to be a live performance or a concert setting, possibly a dimly lit stage with spotlights highlighting the artist. The presence of a microphone and an acoustic guitar suggests an intimate musical performance.