合唱・小学生
Keywords
chorus,
children,
student,
school,
elementary school,
music,
school,
chorus,
chorus,
song,
sing,
enunciation,
exercise,
classroom,
leading,
director,
teacher,
teacher,
group,
group,
smile,
lively,
cooperation,
teamwork,
harmony,
announcement,
presentation,
concert,
training,
learning,
grow,
youngster,
fellow,
piano,
sheet music,
japanese,
japan