This is a happy positive music, positive energy, optimism, fun, children, children, ukulele, advertising, happy, positive, vitality, background, Christmas, cheerful, joyful, lively, humorous, witty, fresh, innocent, childlike,
这是一首令人开心的积极的音乐，正能量，乐观，乐趣，儿童，孩童，尤克里里，广告，快乐，积极，活力，背景，圣诞节，欢快，欢乐，活泼，幽默,，诙谐，小清新，纯真，童趣，