This kid is playing music with his friendly little dog. How did the dog learn to play music? I'd say Youtube, but that wasn't around when he was around. So I'm going to say the dog read a book about music. That'd make sense!
男孩狗音樂
boy、childhood、dog、drums、friend、fun、Funny_animals、Good Old Stuff、horn、kid、pet、trumpet
男孩、童年、狗、鼓、朋友、開玩笑、Funny_animals、好老東西、喇叭、孩子、寵物、喇叭
資料來源：openclipart ( https://openclipart.org/ )