Chords for Beth - Don't You Worry Child (Charming Horses Remix) (Official Video HD) (). Spark is the smartest and most interesting app to learn and enjoy playing guitar. Spark is an all-around app for beginners and advanced players to learn any song with chords or master new skills with hundreds of lessons and games in Spark.Spark Chords|Beth - Don't You Worry Child (Charming Horses Remix) (Official Video HD)