The Hanoverian light infantry or J ger battalions utilized a half-circle copper horn with a flaring bore which was used by the leader called the Fl gelmeiste. The bugle was then called the halbmondblaster, literally half moon blower. The English light infantry also adopted this and they used the German flugelhorn which too the name of bugle horn. A consort of crumhorns is a cluster of instruments with different pitches and sizes. Crumhorns are meant to copy the vocal quartet with bass, tenor, soprano, and alto. It has pitches in F and C. The instrument has a naturally sharp sound that gives a good effect in the modern ensemble. The tone which is from nasal humming to rich buzzing depends on the way their reeds are voiced. They will also observe for sounds of trees, water, thunder, and wind. The didgeridoo is meant to encompass and play with the essences of all these natural sounds with much precision as could be. Observing nature needs empathy which is the source of derivative expression according to the Aborigine. 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. Playing the castanet in the Spanish style is very rare in the modern orchestra. This is not because it is very complex to master and apply but because there are no more than four known professional castanet players all over the world. To compensate for this, a castanet machine is used. The cups of a castanet machine are attached to a piece of wood which ends in a handle that is held and shaken. Air flow from drawing or blowing air into reed chambers makes reeds vibrate which produces sound. There are many varied bronze and brass reads in each chamber and these are fastened at an end and free on another end. The loose end vibrates up and down to generate music. In the beginning of the 19th century, the harmonica s popularity grew and was established in Europe. It is played with a mouthpiece that is single-reed just like that of the clarinet. History This magnificent instrument was invented by Adolphe Sax from Belgium. Akin to his father, Charles Joseph Sax, he was an instrument maker. His first successful creation was the saxhorn which was made public some time after he transferred to France.