In the video, a person wearing a military uniform is seen holding a clarinet. The person is using a blue tool to clean the clarinet's mouthpiece. The person then removes the mouthpiece and uses the tool to clean it thoroughly. After cleaning, the person puts the mouthpiece back on the clarinet and plays a few notes. The person's movements are precise and deliberate, indicating a level of expertise and familiarity with the instrument. The clarinet itself appears to be well-maintained, with a shiny finish and no visible damage. The video provides a close-up view of the person's hands and the clarinet, allowing the viewer to see the cleaning process in detail.