This study set out to examine the overall trends of musical instrument-related activities and the characteristics of the activities of playing a musical instrument in teachers manuals under the Nuri Curriculum. For this purpose, the study selected 192 activities related to musical instruments in total 32 teacher s manuals under the Nuri Curriculum, analyzed the elements related to the Nuri Curriculum, types of activities, and kinds of musical instruments, and obtained frequency and percentage from 52 activities of playing a musical instrument according to life topics, musical concepts, attitudes, activity materials, and teaching and learning methods. The findings show that the activities related to musical instruments recorded the highest reflection percentage in artistic expressions in the area of art experiences in the teacher s manuals under the Nuri Curriculum. The popular types of activities related to musical instruments were singing a song and playing a musical instrument. The most abundant type of musical instruments was rhythm instruments. The study analyzed the activities of playing a musical instrument and found a deviation in the number of activities according to age and life topics. The musical concepts were analyzed in the goals, content, and evaluation of activities of playing a musical instrument. The analysis results show that rhythms and tones were the most in the goals of activities and in the content and evaluation of activities, respectively. As for musical attitudes in the goals and evaluation of activities, participation with a happy mind was the highest. As for activity materials, sound sources were used most other than musical instruments. As for teaching and learning methods, playing a musical instrument freely, playing in divided ensemble, and beating rhythms were the most among three-, four-, and five-year-olds, respectively.