You used to be the original singer of young Ah Fu and Yue.

South Institute of Higher Education. "You were a teenager" is an original song written by Shawn, composed by Yang Zipu and sung by S.H.E It was released on May 20th, 20 15. The original song was not Ah Fu and Yue. This song is also the theme song of the movie "Youth Class". 20 15 July, this song ranked in the top 20 of the global pop music gold list in the first half of the year.