It has eight steel strings tuned to the notes of G, A, E, and D. It is a descendent of the mandore which is one of the soprano members of the family. It commonly has the shape of a teardrop and has F-holes or one round sound hole. History In 15,000 BC to 8,000 BC, cave paintings and murals included single-stringed instruments. It has a yoke which includes a crossbar and two arms and has strings that stretch from the tailpiece to the crossbar. Some lyres are bowed while most of these are plucked. It is regularly played by strumming with a pick similar to a guitar rather than plucking it like a harp. Based on Greek mythology, the lyre was made from a khelus or tortoise shell covered with horns of the antelope and animal skin by Hermes. Playing the trombone There are seven possible positions of the trombone. To vary the pitch, the player adjusts the lip shape. The contracting or relaxing of ones lips changes the sound produced by the trombone. With the ability to do a glissando, it can also go up and down notes with ease and play all notes in the middle by simply controlling the slide. The name of clavichord derives from the Latin clavis which mean key and chorda which means string of a musical instrument. History In the early fourteenth century, the clavichord was believed to be invented. It was well-known in the 16th to the 18th century and was most popular in Scandinavia, the Iberian Peninsula, and other lands which use the German language. There are four known of this type and the first two were made by Gustav Benson with the idea from John Philip Sousa. Playing the tuba To assemble the tuba, position the mouthpiece in the tube with a gentle, twisting motion. Never pop or strike it into position. Remember to apply oil on the valves each day you play the tuba. The sitar in jazz music The fusion of Western jazz and Indian classical music stems back from the 1950 s to the 1960 s. This was when expert musicians of the Indian classics like Rabi Shankar collaborated with jazz musicians like Bud Shank and Tony Scott. A few examples of the use of the sitar in jazz music are the works of John Mayer, the Silent Trees Falling by Andrew Cheshire, and the Cloud Dance by Collin Walcott.