Inspirational Piano and Strings – pleased, acoustic, optimistic, fun, casual, children, summer, kids, advertising, buoyant, happy, laid-back, upbeat, carefree, simple, piano, strings, bright
快乐，不插电，乐观，有趣，休闲，儿童，夏季，孩童，广告，活泼，快乐，悠闲，乐观，无忧无虑，简单，钢琴，弦乐，明亮