Chords for Andrea Bocelli, Céline Dion - The Prayer (Live at Central Park / 2011) (). 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|Andrea Bocelli, Céline Dion - The Prayer (Live at Central Park / 2011)