Guest Post by Jo of A Rose Tinted World Growing up in the 80s in the UK, Sunday evenings used to mean one thing for me - the new pop chart. The charts here in the UK were a real tradition. Many a youngster would tune in to Radio One to hear the new number one each week. (And often surreptitiously record it with a tape recorder!) But one chart was more excitedly anticipated than any other in the year. The Christmas number one in the charts was hotly contested and always eagerly awaited. The volume of record sales used…