In these are the reed chambers which produce sound. The pallets are valves that control air passing through to the reeds. The pressing on the key raises the pallet which allows air to enter the reed chamber and air flow stops as the key is released. The bellows gives the main method of articulation and is the most dominant component of the accordion. The tenor tuba, also called euphonium, is pitched one octave above the contrabass tuba, B flat. B flat valve tubas are sometimes specifically called tenor tuba. Although tremendously rare, there are also BBB-flat subcontrabass tubas. There are four known of this type and the first two were made by Gustav Benson with the idea from John Philip Sousa. The making of didgeridoos Once the area confirmed to be abundant of certain eucalyptus trees, the Aborigine would tap the tree trunks or limbs to determine if hollow. Back then, special axes made of stone were used but in modern times people use chainsaws. The next step is to clean out the termite residual. It is a reedless wind instrument, otherwise known as an aerophone, which creates sound from the flow of air from an opening. Flutes are often made of wood in Europe while silver is the main flute construction material in the United States. Theobald Boehm invented the modern flute. He created a bowl-shaped head connected to a cylindrical center with large finger holes and open-standing keys. The head is the stretched animal skin or mylar plastic which produces sound when struck with the drumsticks. The tensions screws were developed to securely and more firmly hold the snares which gives a brighter and more solid sound. The stand is optional. You may mount the snare drum on the stand or carry it with a strap. Superior equipment is very important for the clarinet as it is for other instruments. The most important equipment of the clarinet is the mouthpiece. Of course, it is where air is blown into to produce music. Aside from that, it contains and controls the reed. Although they may have the same raw materials and the same method of manufacture, no two mouthpieces are alike so choosing the mouthpiece is very crucial.