【正确答案】正确答案： Guitar Probably no other musical instrument is as popular around the world as the guitar. / Musicians use the guitar for almost every kind of music. / Country and western music would not be the same without a guitar. / The traditional Spanish folk music could not exist without a guitar. / The sound of American blues music would not be the same / without the sad cry of the guitar. / And rock and roll music would almost be impossible without this instrument. / Music experts do not agree about where the guitar first was played. / Most agree it is ancient. /