Chords for BTS RM, SUGA, j-hope 'DDAENG (땡)' Lyrics (). 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|BTS RM, SUGA, j-hope 'DDAENG (땡)' Lyrics