In the audio titled "Rainstick Version 2", the dominant sound is that of a rainstick, an instrument known for its ability to mimic the sound of rain. The audio begins with the soothing rustle of the rainstick, creating a calm and peaceful ambiance. The rainstick is gently tilted, allowing hundreds of tiny beads within to cascade down, producing a sound remarkably similar to a downpour of rain. The rhythm of the rainstick is not hurried, but rather slow and steady, replicating the natural rhythm of rainfall. This audio provides a serene background, perfect for relaxation or meditation. It captures the essence of a gentle rainstorm, encapsulating the listener in a tranquil bubble of sound.