About 乐观 :Groove to the tunes of 乐观 (Ft. 欢子) with JOOX. Featuring 欢子, 乐观 was released on and soon took fans by storm. 乐观 consists of 1 songs, and the video of the song is much loved by music fanatics across the country. Download the JOOX App and listen to 乐观 songs online in no time.
