The film "August Rush" both stars actor Freddie Highmore and concludes with a major instrumental composition under what name? 
August Rush:  The screenplay is by Nick Castle and James V. Hart, with a story by Paul Castro and Castle. August Rush:  It involves an 11-year-old musical prodigy living in an orphanage who runs away to New York City. August Rush:  He begins to unravel the mystery of who he is, all while his mother is searching for him and his father is searching for her.
i don't know