Listen to 欢欣的世界 online. 欢欣的世界 is an Instrumental language song and is sung by 摇篮曲. 欢欣的世界, from the album 枕边摇篮曲-Sleep time2, was released in the year 2010. The duration of the song is 2:04. Download Instrumental songs online from JioSaavn.