本曲提供多版本支持，购买后可以获得以下所有的4个版本：
版本 1 02:08版本 2 01:37版本 3 00:39版本 4 00:20

Happy, summer, acoustic, energetic, cheerful, cheerful, optimistic, fresh, carefree, peppy, cheerful, joyful track with a light, invigorating, positive, catchy sound. It consists of a piano, ukulele guitar, hand claps, bells or glocks, drums and other instruments. Ideal for television commercials, radio, movies, online advertising, children, commercials, YouTube, successful, business and travel videos, games, applications, backgrounds, corporate, motivational presentations, commercials, videos and family videos. It is beautiful, sunny, brilliant, cheerful, inspirational, playful, fast, easy, simple, warm, bright, which will cheer you up!
快乐，夏天，不插电，活力，欢快，乐观，清新，无忧无虑，活泼，开朗，快乐的音乐，具有轻盈，振奋，积极，朗朗上口的声音。它由钢琴、尤克里里、拍手、铃铛或钟琴、鼓和其他乐器组成。非常适合电视广告、广播、电影、在线广告、儿童、商业广告、YouTube、成功的、商业和旅游视频、游戏、应用程序、背景、公司、励志演讲、商业广告、视频和家庭视频。它是美丽，阳光，灿烂，开朗，鼓舞，好玩，轻快，容易，简单，温暖，明亮的，这会让你振作起来！