Listen to Don't You Worry Child (Running + Cardio Workout Mix) online. Don't You Worry Child (Running + Cardio Workout Mix) is an English language song and is sung by Workout Music. Don't You Worry Child (Running + Cardio Workout Mix), from the album 100 Running Cardio Workout! Music Playlist (Ideal for Gym, Jogging, Running, Weight Loss, Marathon, Cardio and Fitness), was released in the year 2018. The duration of the song is 4:51. Download English songs online from JioSaavn.