英语介绍吉他,英语演讲,guitar课件

1、A large musical instrument with a row of black and white keys which are pressed to play notesPianoQuestions：Questions：A wooden musical instrument with four strings which is held against the neck and played by moving a bow across the stringsViolinA musical instrument with six strings and a long neck

2、which is usually made of wood, and which is played by pulling or hitting the strings with the fingersGuitarQuestionsTheGuitarsXXXXXXXThe history of guitars Guitar ancestors can date back to 3,000 years BC in Egypt. Itwas one of the various ancient plucked string instruments. Themodern guitars roots

3、are in Spain. During the Renaissance,the guitar never had the respect the lute enjoyed. It was not considered a serious instrument. The first publication for guitar is the record(“Tres Libros de Musica en Cifras para Vihuela“为维乌埃拉琴所作演奏三卷集)of Alonso Mudarras （阿伦索穆达拉，1510 1580，西班牙） Eventually, the gui

4、tar began to attract players, more publications and music began to appear.Electric guitarsBrand:FenderGibsonOther shapesAcousticClassical GuitarsFolk guitar 民谣吉他MartinGuitarBrand：TaylorFret 品丝Top 面板Side 侧板Neck 琴颈Body 琴体Back 背板Head 琴头Bridge 琴桥Maker 泛音点Headstock 琴头Sound Hole 音孔Pick Guard 护板Tuning Key

5、旋钮Finger Board 指板Structure of GuitarBackSide返回Folk guitarElectric guitarClassical返回CompareFolk GuitarClassical GuitarThe fingerboard of folk guitar is longer. But classical guitars fingerboard is broader.The strings of folk guitar are steel, and the classical is nylon(尼龙).The head of classical guita

6、r is hollow(镂空).The body of the classical is smaller than folk guitar.Their tuning key is different.CompareElectric GuitarBass GuitarThe fingerboard of bass guitar is longer than electric guitars.Electric guitar has six stings and bass guitar has only four strings.Normally, the bass guitar is heaver

7、 than electric guitar.In GeneralTop(soundboard): Usually, for the soundboards, soft coniferous(松柏科) woods are in use. The traditional, European material is German spruce (云杉). Except in the USA, almost every instrument made before 1960 will be fitted with a German spruce top. It provides a warm timb

8、re(音色).About Wood of GuitarAbout Wood of GuitarBack and Sides Backs and sides are made from firm to very hard woods. Because they need keep the shape of the guitar. Usually we use rosewood(玫瑰木) ,maple(枫木) etc. These have already gained a certain popularity on steel-string guitars.NeckFor the necks,

9、woods with a medium density are preferred. The most important factors are stiffness and a high resistance to warping.For a long period, American cedar(雪松) and several kinds of mahogany(桃花心木) have proved their suitability.About Wood of GuitarFingerboard(指板)The most important property for a finger-boa

10、rd is its mechanical resistance. For this reason, only very hard woods should be used. Such as black ebony(乌木)，rosewood (玫瑰木). The black ebony is very expensive, so it is usually for high quality instrument.About Wood of GuitarWalnut 胡桃木For: Side, backMahogany 桃花心桃花心木Spruce 云杉For: soundboard(top)Some tools Pick 拨片/匹克Some tools Capo变调夹It used on the neck of a the guitar pressing all strings to shorten the strings, hence raising the