 Most countries have at least one radio airplay chart in existence, although larger countries such as Canada, the United States, the United Kingdom, Germany, Australia, Japan, and Brazil have several, to cover different genres and areas of the country.A song which was successful in the airplay charts but weak in sales was commonly known as a "turntable hit" when radio stations played only vinyl singles.Airplay can be a crucial element in securing a singer's 'hit', and alongside social networking websites it is an effective method that artists use to make their name known.