The present research aimed to investigate the effect of background Mozart Classical music on translator students' performance. In this study, the researchers focused not only on the relationship between music and translation but also on the relationship between music and personality traits. The main question this study tried to answer was whether using background music might enhance students' translation scores. To answer this question, 32 students from Islamic Azad University of Quchan, Iran, participated in this study. They were selected out of 40 students, employing Nelson proficiency test and were randomly assigned to two groups. The participants in experimental group were asked to translate three texts accompanied by background music, but the subjects in the control group were asked to translate the same texts without background music during three sessions. Students’ translations were scored based on Kim's (2009) meaning-oriented translation assessment model. Statistical analyses were applied for qualitative data and an interview was designed for the qualitative research question. Researchers concluded that there was a significant difference between the translation scores of the experimental and control groups. The former outperformed the latter group on the translation task. تفاصيل المقالة