Chords for Swag Se Swagat Song | Tiger Zinda Hai | Salman Khan, Katrina Kaif | Vishal & Shekhar, Irshad, Neha B (). 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.