This Schoolhouse Rock! aired in 1973, so it is entirely possible "Figure Eight," sung by Blossom Dearie, had some part in my early mathematics education(!). I remember these would come on usually after all the really cool Saturday morning cartoons had ended, around 10' o'clock or so. I usually then had to go outside and mow the lawn or something of that nature. This is such a haunting and melancholy song, being as it was intended for elementary to middle school age kids:
