Record Retailer and the BBC commissioned the British Market Research Bureau (BMRB) to compile charts, beginning 15 February 1969. The BMRB compiled its first chart from postal returns of sales logs from 250 report outlets. The sampling cost approximately £fifty two,000; outlets have been randomly chosen from a pool of roughly 6,000, and submitted figures for gross sales taken as much as the close of trade on Saturday.
The chart initially only retrieved its information from YouTube, Vevo, Facebook, Twitter, Myspace, and iLike to create its ranking, however in November 2012 was expanded to include SoundCloud and Instagram. Data from Vine and Tumblr were added to the chart in June 2015.
Dead Or Alive – You Spin Me Round (Like A Record) (
The guidelines have modified many times as technology has developed, probably the most notable being the inclusion of digital downloads in 2005 and streaming in July 2014. … Read More