The video shows a group of cartoon characters playing musical instruments in a classroom setting. The characters include a pink pig playing a drum, a white pig playing a tambourine, a brown dog playing drums, a gray dog playing a trumpet, and a brown and white pig playing a drum. The background shows a chalkboard with musical notes, a green cabinet with alphabet blocks, and a purple floor. The characters are wearing colorful clothing, and the video has a playful and cheerful tone.