Chords for 5 Minutes to Start Soloing - The 6-Note Solo Technique (Guitar Lesson) (). 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.Spark Chords|5 Minutes to Start Soloing - The 6-Note Solo Technique (Guitar Lesson)