State three characteristics of musical sound.

Explanation

### Step-by-Step Solution:

1. **Identify the Characteristics of Musical Sound**:
Musical sound has specific characteristics that distinguish it from other types of sound. The three main characteristics are:

2. **Loudness**:
- Loudness refers to the perceived intensity of a sound. It is determined by the amplitude of the sound wave. A sound with a larger amplitude is perceived as louder, while a sound with a smaller amplitude is perceived as quieter.

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