Chords for 張懸 - 如果你冷 + 沒有煙抽的日子 ( 張雨生 Cover) @ 《潮水箴言2013香港站演唱會》 (). 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.