Mood: The mood of this video appears to be lively and energetic, with a focus on fun and celebration. The theme seems to revolve around a collection of popular party songs from 2014, evoking feelings of excitement and joy. The overall emotion conveyed is one of carefree revelry and entertainment.

Environment: The environment or setting of the video seems to be a vibrant and dynamic party scene, likely a nightclub or a similar venue. The presence of a crowd in the background, along with the flashing lights and star effects, suggests a high-energy atmosphere typical of parties and social gatherings.