The audio titled "Engine" commences with the alluring, mechanical rhythm of a machine coming to life. The symphony of gears, pistons, and various components at work could be clearly heard. It's a foley sound, expertly recorded, creating an aural depiction of an engine's operation. The roaring motor dominates the soundscape, a testament to the power and intricacy of machinery. The hum of the motor fluctuates in volume and pitch, providing a vivid sense of a device undergoing various stages of functionality. The recording is incredibly detailed, capturing the smallest creaks and whirrs, which adds to the overall depth and authenticity of the sound experience. The audio concludes with the gradual deceleration of the engine, the mechanical orchestra slowly quieting down, leaving behind an echoing silence.