People's privacy can also be interrupted by unwanted phone calls from telemarketers and others who wish to profit in some way - just as Internet e-mail accounts receive unwanted sales pitches, known as spam.. Yet, the invention of the telephone also worked to increase privacy in many ways.
Rosin build up on violin strings can make them sound scratchy. Although applying rosin to the bow is important to create friction when the bow is pulled across the strings, too much rosin on the strings can reduce the strings ability to vibrate. Clean the rosin off your strings regularly to reduce any scratchy sounds.
A build up of cerumen is called an impaction, and while not serious, can lead to hearing problems. If there is too much wax in the canal, the vibrations used to make sounds become dull, making it difficult to hear. Cerumen impaction can also cause pain, a full feeling in the ear and dizziness.