Chords for 【Guitar TAB】〚BLACKPINK〛뚜두뚜두 (DDU-DU DDU-DU) (Fingerstyle) 기타 탭 / ギター tab譜 & tutorial (). 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.