Updates are available Correction dated 2020-11-25

Article History

Received: 8 June 2020

Accepted: 23 September 2020

First Online: 2 November 2020

Change Date: 8 February 2021

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1007/s43546-020-00025-6

Compliance with ethical standards

:

: There is no conflict of interest. I have never worked at the RIAA and I do not know anyone there.

: This study was conducted using the R software that is freely available.

: The author did not receive any financial or non-financial assistance from the RIAA or any other group within or outside the music industry.

: Informed consent was not needed in this study, because it is strictly a numerical exercise that did not involve experiments using humans or animals.