The "How to Play Music" video for Leaf House provides an easy-to-follow tutorial on using the house's audio system. It guides viewers through connecting their devices via Bluetooth or other inputs, selecting music from streaming services, and adjusting the volume in different areas of the house. With clear instructions, the video ensures that guests can effortlessly fill the home with their favorite tunes, enhancing the ambiance and creating a personalized atmosphere throughout their stay at Leaf House.