Chords for Janam Janam – Dilwale | Shah Rukh Khan | Kajol | Pritam | SRK | Kajol | Lyric Video 2015 (). 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.