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.
Here's a public service announcement for anyone who plays a woodwind, such as a clarinet or saxophone: Clean your instrument! A case study presented at the annual meeting of the American College of Allergy, Asthma and Immunology shows that it's possible to develop allergic pulmonary disease, known as Saxophone Lung, in response to the mold that collects over time in woodwind instruments.