The purpose of this study was to develop an recorder ensemble program for elementary school instrumental groups based on the performance domain of the Arts PROPLE. In the first phase, the national curriculum were analyzed and learning contents were identified. In the second phase, teaching-learning materials and evaluation strategies (portfolios) were developed according to the process used in Arts PROPEL. Main emphasis of the recorder instructional program were on the improvement of performance and expressive abilities, the development of musical cognition, and the positive changes in attitude toward music. Finally, this study showed that production, cognition, and reflection could be effectively integrated in the instrumental program.