Yessetova Ainur Takeevna, Dzhanseitova Svetlana Sattarovna, Kadyrbek Aidana and Zhaulybay Akgul Zhanbolatqyzy 2026. MUSICAL PERFORMANCE AS A FACTOR IN THE SYSTEMIC DEVELOPMENT OF A MUSICIAN’S PROFESSIONAL AND PERSONAL COMPETENCIES. Scientific Results. 12 (Jan. 2026).