From Coleman Research:

Full article at Three Reasons You Don't Win the Variety Image by How Many Songs You Play | Coleman Insights
And the Coleman pieces have actionable information, not just a "carrot on a stick".
So I will repeat:

Full article at Three Reasons You Don't Win the Variety Image by How Many Songs You Play | Coleman Insights
And the Coleman pieces have actionable information, not just a "carrot on a stick".
So I will repeat: