Women take the lead at this year’s Grammys, but will the music industry follow?

With scheduled performances by Lady Gaga, Cardi B, Camila Cabello, Kacey Musgraves, Janelle Monáe and — hey, why not? — the always-welcome Diana Ross, Sunday night’s Grammy Awards ceremony promises to reflect with some accuracy a record business that for years has been fronted by female artists.