Star podcaster Alex Cooper grabbed headlines last week when the news came out that she'd reached a three-year deal with SiriusXM that outlets like CNBC and Variety pegged at "up to $125 million.

Since then, SiriusXM has hosted full-time channels by big-name artists including Kenny Chesney, Willie Nelson, Kelly Clarkson, Taylor Swift, Pitbull, Eminem, Bob Marley, Diplo, The Beatles ...