Numerous studies show how various forms of music activities affect child’s speech development. The child’s environment plays particularly important role in this. Since a lot of children spent most of their daily time in educational institution, important role in child’s speech development have preschool teachers and their competencies. The purpose of this paper is to contribute to the development of awareness of the stimulation music has on the development of children's speech. The goal of this paper is to explore the preschool teacher attitudes and opinions towards the influence of music on child’s speech development. The paper shows the connection between music and speech and how they complement each other. A special emphasis is placed on the ways in which music influences child’s speech development and forms of music activities which are carried out in educational practice in order to encourage speech. Furthermore, the text presents the course of music education and obligatory courses for preschool teachers at the Faculty of Teacher Education, as well as details the role of a preschool teacher in the music education of preschool children. A survey created for the purpose of this research was completed by 93 respondents, preschool teachers who currently work in Croatian kindergartens. The survey consists of three subscales: general information (about the respondent), respondent attitudes towards the well-being of music for child’s speech development and music education of preschool teachers. The results point out that preschool teachers believe that music significantly influences child’s speech development and that they find themselves competent to carry out music activities in educational practice.