CSPC: Johnny Hallyday Popularity Analysis
The Commensurate Sales to Popularity Concept (CSPC)
There are two ways to understand this revolutionary concept. The first is the Scribe video posted below. If you are unaware of the CSPC method, you will get the full idea within just a few minutes.
If you are a mathematical person, and want to know the full method as well as formulas, you can read the full introduction article.
Now let’s get into the artist’s sales figures in detail in order to apply this concept and define the act’s true popularity!