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外福来的问题又来了:“想让这些乐器发出声音很简单,可是音乐家是怎么控制音调,用这些乐器演奏出抑扬顿挫的曲子的呢?”讲解员姐姐:“那我们赶快进入第三体验区,这里有一个好玩儿的实验等着你。”谁在影响声音你需要:一些粗细不同的橡皮筋,一个牛奶盒或果汁盒,两支新铅笔。第一步:把橡皮筋按照从粗到细的顺序套在牛奶盒上。第二步:把新铅笔放在牛奶盒两端,压在橡皮筋下面。第三步:拨一拨不同的橡皮筋。它们的声音听上去一样吗?细橡皮筋的声音是不是
The question of the outsider comes again: “It is very simple to want to make the sound of these instruments, but how does the musician control the pitch, use these instruments to play the cadence of the song?” Explain the member syllabary: “Then we enter Third experience area, there is a fun experiment waiting for you. ”Who in the sound you need: some different thickness rubber band, a milk box or fruit juice box, two new pencils. The first step: the rubber band in accordance with the order from coarse to thin on the milk box. The second step: the new pencil on both ends of the milk box, under pressure in the rubber band. The third step: dial a different rubber band. Does their voice sound the same? Fine rubber band sound is not