Chords for Black Sabbath - End of the Beginning Official Live Clip (Live....Gathered In Their Masses) (). 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|Black Sabbath - End of the Beginning Official Live Clip (Live....Gathered In Their Masses)