Chords for Avicii ¡Conoce el hotel donde murió! & ¡Sus últimas fotos en vida! (Tim Bergling) - Iván Maldonado (). 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.