Chords for Banda La Fregona - Pa los Norteños: Playa Sola / Eslabón por Eslabón / El Caminante - En Vivo (). 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.