The one of the most common practices is the use of different kinds of the instrument to have a colorful variety but it is also widely used in solos for classics. In the early jazz, the clarinet was a vital instrument and it remained famous in the time of the big band. It was used by swing clarinetist like Artie Shaw and also by jazz musicians namely Alcide Nunez and Louis Nelson Delisle. In Italy, harpsichord makers made lightweight versions with little string tension but the harpsichords were made with a heavier construction by the Ruckers family in the late 1500's. This creates a more unique and powerful tone. Flemish instruments were the basis of the harpsichord in the 18th century. 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. The regular concert flute can play three octaves beginning from middle C which gives it one of the highest pitches in the orchestra besides the piccolo. 2. Chinese flute The Chinese flute, also referred to as di, have many varieties with diverse sizes, number of holes, intonations, and structures. The majority of di are made of bamboo. The tangent of at least two notes hit the strings at varied lengths from the bridge and also produces varied tones. Fretting generally gives limitations on the playing range because it is impossible to produce the sound of the fretted notes at one time. There are times that the player has to cut a note by releasing a key just before it completes its full sound. It is stated by the Sangeet Sudarshana that the sitar was invented by Amir Khusru in the 1700 s. The Persian setar was his basis for naming this instrument. There are a lot of theories about the origin of the sitar. Unfortunately, most of which are historically inaccurate and, thus, impossible. The most common theory is that Amir Khusru invented the sitar around 1300 AD.