Chords for 張懸-外婆橋 the wall 2007.1.11 (). 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|張懸-外婆橋 the wall 2007.1.11