Chords for 3 Hour Relaxing Guitar Music: Meditation Music, Instrumental Music, Calming Music, Soft Music, ☯2432 (). 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|3 Hour Relaxing Guitar Music: Meditation Music, Instrumental Music, Calming Music, Soft Music, ☯2432