Chords for π©βπ³ Blue Apron Review: Unboxing, Recipes & Meals (Taste Test) (). 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 Chordsο½π©βπ³ Blue Apron Review: Unboxing, Recipes & Meals (Taste Test)