本曲提供多版本支持，购买后可以获得以下所有的2个版本：
版本 1 01:33版本 2 01:33

This is a happy, childrens, cheerful and inspirational track. The marimba and bells play the melody, with acoustic guitar, ukulele, bass guitar, hi-hats, snaps and drums in the background. This track is perfect for your media projects, video and more.

The track is presented in the following versions:

Happy Joyful and Carefree – 1:32;
Happy Joyful and Carefree (without synth bells) – 1:32.
这是一首快乐、童趣、开朗、励志的音乐。木琴和铃铛演奏旋律，背景是原声吉他、尤克里里、低音吉他、镲和鼓。这首歌完美适用于媒体项目，视频和更多。

该曲目有以下版本：
开心乐趣无忧无虑——1:32；
开心乐趣无忧无虑（没有合成钟）–1:32。