Pitch Control refers to the ability to adjust the pitch of a sound, which is the perceived frequency of a note. In music, this is crucial for ensuring that instruments and voices are in tune with each other. Musicians often use techniques like tuning and modulation to achieve the desired pitch. In the context of aviation, Pitch Control involves managing the angle of an aircraft's nose relative to the horizon. Pilots use control surfaces like elevators to adjust the pitch, which affects the aircraft's altitude and speed. Proper pitch control is essential for safe and efficient flight operations.