When creating a commercial, you can manipulate different elements of music to create the desired effect. Tempo, for instance, can affect the energy and excitement of the commercial. A fast tempo can evoke a sense of urgency, action, or fun, while a slow tempo can suggest calmness, relaxation, or sadness. Rhythm, on the other hand, can affect the flow and structure of the commercial. A regular rhythm can create a sense of stability, order, or harmony; while an irregular rhythm can suggest unpredictability, chaos, or tension. Pitch is also important as it can influence the tone and mood of your commercial. A high pitch can bring brightness, joy, or surprise; while a low pitch can evoke darkness, sorrow, or mystery. Last but not least is volume which can affect the intensity and emphasis of your commercial. A loud volume can indicate power, confidence, or urgency; while a soft volume can suggest subtlety, intimacy, or suspense.