Just hours after she performed a song-and-dance number at the NBC upfront (as her “30 Rock” character Jenna Maroney), “Celebrity Name That Tune” host Jane Krakowski opened the Fox upfront with another song-and-dance number — this time with a fellow Jane, “Celebrity Weakest Link” host Jane Lynch. Then came Tom Brady, who walked out on stage at first with a scratchy microphone that quickly corrected itself. “As you guys may have heard, I had a little success in my old job. I won’t bore you with those details, but let’s just say it worked out,” the former NFL superstar-turned-Fox Sports personality said before introducing Fox CEO Lachlan Murdoch . Popular on Variety Murdoch then gave the Fox corporate pitch: “We don’t try to do everything, and we don’t pursue scale just for scale sake. Instead, we focus where it matters most, live sports, live news, bold entertainment and ad supported streaming,,” he said. “As we said at last year’s upfront, Fox continues to be an outlier in the marketplace.…