 Most records don't sell gold or platinum status, for instance, definitely not diamond. 70 million copies of this record, this album, have been sold since the early 80s. It's now, well, 40 years old. There are two artists that are in the top 10 in sales of records or albums in the history of music. And this is the top 10. Two. Two by one artist or a group. Do you know who it is?