This study aimed to enhance students’ vocabulary mastery through the use of song worksheet. Twenty-two fourth graders of an elementary school in Indonesia were selected as participants. Action research was adopted in this study consisting of three cycles. To find out students’ achievement, vocabulary test was given. To investigate students’ responses, observation and interview were implemented. Findings showed that song worksheet could enhance students’ vocabulary mastery. They also gave positive responses to the use of song worksheet. However, students complained that the songs were too fast. This study supports the use of songs in the EFL context which could make teaching-learning processes more fun.   
                        
                        
                        
                        
                            
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