In one video by PronunciationBook, they teach you how to pronounce 'The xx', a popular preforming group. As we know, the countdown of 77 days ends on 24 September, and we know that the man behind PronunciationBook's P.O. Box is located in New York, and he is suspected to live in New York, as well. On 24 September, the group 'The xx' is preforming in New York. Find the info on the event here.