Mood: The mood of the video appears to be energetic and youthful, with a theme of music and rebellion. The use of the phrase 'ROCK ON!!' and the peace sign on one of the band member's shirts suggests a free-spirited and counterculture vibe. The overall atmosphere seems to be one of excitement and passion.

Environment: The setting appears to be a dimly lit, possibly cramped space with posters on the wall, suggesting a music venue, recording studio, or a band's hangout spot. The dark and warm lighting creates an intimate and cozy atmosphere, which contrasts with the energetic and lively mood of the video.