Chords for Đừng Như Thói Quen Cover (#DNTQ) - Khánh Phương | Jaykii x Sara (OFFICIAL 4K Lyrics 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.