The research was an experimental research which uses the one-group pretest - posttest design because this design can measure what changes before and after a certain treatment.
The research instruments in this study were
1. Computer-Assisted Musical Pronunciation Courseware which consists of a pretest, a posttest, 10 lessons, and a questionnaire.
2. Pretest and posttest were constructed according to the objectives of this study.
3. Questionnaire was constructed by the researcher.