Ключевые слова: boy, brother, casual, children, collaboration, concentration, creative, dedication, domestic, duet, family activity, focused, girl, harmony, hobby, home, indoor, instruments, keyboard, kids, learning, leisure, living room, music, musical, musical education, musical instruments, musical skills, performance, piano, playing, practice, practice session, practice together, residential, siblings, sister, string instrument, talent development, teamwork, ukulele, youth,