I have been reading the transcript of ''Intermediate Spanish Podcast'' by Spanish Language Coach. Here is the link: https://www.spanishlanguagecoach.com/post/e166-por-qu%C3%A9-es-tan-importante-la-m%C3%BAsica In the third paragraph appear the lines'' Quizás te hayas preguntado, ¿cuándo habrá sido...