Chords for "Oh Humsafar" Song | Neha Kakkar Himansh Kohli | Tony Kakkar | Bhushan Kumar | Manoj Muntashir (). 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.