Mood: The mood of the video appears to be energetic and lively, with a hint of playfulness. The use of the word 'Mash Up' suggests a fusion of different styles or genres, which may indicate a fun and experimental tone. The overall theme seems to be related to music, possibly a remix or mashup of popular songs.

Environment: The setting of the video seems to be a dark or dimly lit room with a neon green light strip in the background, which creates a modern and edgy atmosphere. The presence of a bald man wearing a leather jacket and a watch suggests a contemporary and urban setting.