Chords for 【絨毛兔 Villus Rabbit】風のように自由【K.D.F 13 】樂團表演2016-5-7 (). 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.