If you’re old enough to have bought your first music in CD or tape, rather than digital, form, you might remember how important Mondays (in the UK) and Tuesdays (in the US) used to be for pop lovers.
Keith Caulfield, co-director of charts at Billboard, told NPR that that was because shipping new units to shops worked out better when it was done at the start of the week.
But Adrian Strain, who’s worked as head of communications for the International Federation of the Phonographic Industry representing over 1,300 labels...