“重复”通常是指一个事物的再次出现,在词典中的意思是:“(相同的东西)又一次出现,又一次做(相同的事情)”。在音乐课堂教学中的“重复”是指对歌曲、乐曲、乐理小知识和音乐情境的再次呈现。科学地运用重复作用原理,针对性地让音乐反复在学生耳边响起,是增强旋律印象,加深情感体验,提高音乐课堂教学效益的有效手段。中国著名桥梁专家茅以升83岁高龄时还能准确背出圆周率小数点 “Repeat ” usually refers to the reappearance of a thing. The meaning in the dictionary is: “(same thing) appears again, again (the same thing) ”. The “repetition” in music classroom teaching is the reappearance of songs, music, knowledge of music, and musical situations. Scientifically using the principle of repetitive effects, targeted to make music repeatedly sounded in the ears of students, is to enhance the melody impression, deepen the emotional experience, improve teaching effectiveness of music classrooms an effective means. Mao Yisheng, a well-known Chinese bridge expert, accurately backed out of the decimal point when he was 83 years old