Ключевые слова: actively, attentively, background, boy, cheerful, classical, classroom, coed, concentration, curiosity, drum, earphones, elementary, emotion, excitement, expression, hand, hobby, language, learn, learning, lifestyle, listen, little, musical, musician, participating, person, play, preschool, preschoolers, primary, school, sit, smile, song, sound, sounds, stage, students, studying, talking, their, vocal, vocalizing, vowel, woman,