Several experimental studies have demonstrated that background music affects consumer behavior in service environments. This study reports research on the effect of music congruency and music tempo on consumer behavior in a restaurant. The research examines the effect of these two variables on the amount of money spent and the time spent in a restaurant. For music congruency, three levels (congruent, no-congruent and no music) were established. For music tempo, songs were rated as slow and fast. Familiarity was used as a moderator variable. The results indicated that music congruency and music tempo affected the amount of money spent and the time spent. People spent more money on the congruent level and under slow songs. Music congruency made people stayed more time at the restaurant, but slow and fast songs did not have a statistically significant effect on the time spent. Familiarity did not have a significant effect on the dependent variables, but post-hoc analyses on amount spent revealed that it was marginal significant under the no music level.

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