Cytomegalovirus (CMV) is a prevalent pathogen, with 40 to 100 percent of the general population showing prior exposure by serology.1 Up to 20 percent of children in the United States will have contracted CMV before puberty.
The concept of the Sousaphone was created by the American composer and bandmaster John Philip Sousa, putting it in a category with the Wagner tubaâa horn conceptualized by German composer Richard Wagnerâand the Saxophone, one of the numerous inventions of Belgian instrument maker Adolphe Sax.
The Prussian Army helped make the Tuba popular. Their marching band directors liked the big, bold sound the tuba makes. After the Prussians started using the tuba other countries started making their own tubas. Tubas come in lots of different shapes and names like the Bombardon, Flugelhorn, and Helicon, but now it is most commonly called the Tuba. Tubas were originally designed to be played while marching instead of while sitting. To begin with the player held the Tuba on his shoulder.