About 天知道 :Groove to the tunes of 天知道 (Ft. 探长) with JOOX. Featuring 探长, 天知道 was released on and soon took fans by storm. 天知道 consists of 2 songs, and the video of the song is much loved by music fanatics across the country. Download the JOOX App and listen to 天知道 songs online in no time.
