Listen to Don't You Worry Child (Tribute to Swedish House Mafia & John Martin) online. Don't You Worry Child (Tribute to Swedish House Mafia & John Martin) is an English language song and is sung by Party Hit Kings. Don't You Worry Child (Tribute to Swedish House Mafia & John Martin), from the album Don't You Worry Child (Tribute to Swedish House Mafia & John Martin), was released in the year 2012. The duration of the song is 3:30. Download English songs online from JioSaavn.