A Periphery Musical Structure: Featuring two spacious keyboards, a running drum, and an upper section with a set of calibrated keys and pipes. The stainless steel framework is encased in wood, concrete, and rubber. The structure offers various play modes: during solitary running, electronic keys within the upper mechanism produce melodies. However, when the keyboards are touched, diverse songs can harmonize. The speed of running or walking rhythm influences the rotating drum, with a complex system of sensors, solenoids, and computerized audio that remains exceptionally resilient to outdoor conditions.