Complete 50 attempts of the exercise at this link: https://www.musictheory.net/exercises/keyboard-interval/adynbyyyb

Submit the score from your best 50 attempts (with no skipped attempts) as a signed verification code (showing your name and score), saved as a PDF. For help on how to complete and submit the assignment, see the help video at: http://www.midside.com/skills/_help_videos/rim1230_op_instructions.mp4.