Chords for 畢書盡 Bii - I know (官方版MV) - 三立偶像劇『真愛黑白配』插曲 (). 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.