The aim of this research was to analyze the effect of relationship marketing, corporate image and service quality on customers’ loyalty of Purwacaraka Music Studio Purwokerto. Type of this research was survey toward customers of Purwacaraka Music Studio Purwokerto. Population within study was all students and consumers who purchase the musical instrument products at Purwacaraka Music Studio Purwokerto. Based on the result of Slovin formula, sample size was determined of 80 respondents with sampling method uses convenience sampling. Furthermore, technique of data analysis within study uses multiple regression analysis. Based on the result of multiple regression analysis, it can be concluded that relationship marketing, corporate image and service quality have a significant simultaneously effect on customers’ loyalty, and relationship marketing, corporate image as well as service quality has a partially significant effect on customers’ loyalty of Purwacaraka Music Studio Purwokerto.