IMPROVEMENT IN ADOLESCENTS’ LISTENING SKILLS, SPEECH ARTICULATION, AND MUSICAL COLLABORATION THROUGH THE HARMONI MUSIC AND VOCAL TRAINING MODEL. PARAPLU [Internet]. 2026 Apr. 30 [cited 2026 May 19];3(2):105-12. Available from: https://paraplu.sapublisher.com/index.php/paraplu/article/view/137