Chords for Guitar Sikhda (Official Video) | Jassi Gill | Jaani | B Praak | Arvindr Khaira | Punjabi Songs 2018 (). 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.