advertising, background, catchy, cheerful, children, energetic, folk, fun, happy, inspirational, kids, motivational, optimistic, positive, success, summer, whistle
适用于广告，背景，朗朗上口，欢快，儿童，精力充沛，民间，乐趣，快乐，鼓舞人心，儿童，励志，乐观，积极，成功，夏天，口哨等场景项目。