After that, place the bass guitar on your thigh with the strings away from you. Place your thumb on the E string and the middle and index fingers on the D string. The E string is in the middle of the strings and the D string is two strings down the former. Pluck these consecutively until you are comfortable and accustomed to it. The female castanet is called hembra and is smaller than the male counterpart named macho. The macho is held in the left hand while the hembra is held in the right. The pair s difference in size also gives a difference in pitch. Castanets could be connected to the thumbs which is common in folk music or to all of the fingers which is expected in classical music. Unfortunately, it can only play notes in the harmonic series. Modern bugles are made of copper or brass and are nearly exclusive to the military. These are pitched in B flat just like the trumpet. The difference is that bugles have a wider conical bore and makes a large sound fit for the outdoors. Introduction to the military It was first used as a military signaling agent on the 1750 s. The Shudi and Kirkman firms in England manufactured harpsichords that had great sonority and power while German builders added two foot and sixteen foot choir which expanded its repertoire. The harpsichord by German builders was the foundation for the design by modern builders. The harpsichord was overshadowed by the piano in the 18th to 19th century. History The octavin was said to be invented by Julius Jehring around the time of 1890 but the patent rights belong to Hermann Jordan and Oskar Adler. Although Jeff Britting who is an American composer has made a sonatina for it, the instrument did not catch the heat and became an enormously scarce instrument. Crumhorn music is commonly played by a consort of crumhorns because of limited range. 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.