Lady Gaga promised a Super Bowl halftime show infused with the “spirit of equality” for all her little monsters and tens of millions more, with Tony Bennett to join for the biggest appearance of her career. Before the game, singers Phillipa Soo, Renee Elise Goldsberry and Jasmine Cephas Jones — the Schuyler sisters from the original cast of Broadway’s hit “Hamilton” — brought some exquisite three-part harmony to a version of “America the Beautiful.”