Chords for 張震嶽 A-Yue&MC Hot Dog&侯佩岑 Patty Hou【就讓這首歌】Official Music Video (). 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.