Abstract:
The objective of this study was to find out how the use of popular English songs improve junior high school students’ vocabulary mastery. A classroom action research was used in this study and the data were collected through classroom observations and tests. The steps in analyzing data based on classroom action research are: planning, acting, observing and reflecting. The primary data were collected by using tests and observation sheet; subsequently, it was analyzed descriptively. There were two cycles during the study, and every cycle consisted of three meetings. There was also a test in every cycle. The findings revealed that the mean score in the test before using popular English song was 58,1 and there were 20% (6 students) who obtain the score more than 70, the mean score in test I cycle1, after using popular English song, was 70,4 and there were 66.7% (20 students) who got the score more than 70, the mean score in test II cycle 2 after using popular English song was 80.7 and there were 90% (27 students) who got the score more than 70. It showed that that the scores and the mean in the second cycle outperformed the first cycle. Based on the observation sheet and the tests, there was an improvement that could be seen through their active participation, enthusiasm, diligence, bravery, and high spirit. Besides, the students could learn vocabulary easily through popular English songs. The conclusion is that the students’ vocabulary mastery could be improved well through popular English songs.