Her mother taught dance in the Bronx, which is where Carole Penny Marshall was born in 1943. Cut to a dark stage years later, a camera test running, and the woman who'd worn Laverne's monogrammed sweater standing where the director usually stands. People who worked on Big and A League of Their Own said she always knew where to put the lens, and that she ran the room quietly, which is harder than it sounds.
That floor piano in Big goes 'Heart and Soul' first, then 'Chopsticks', and the two of them never miss a key — they rehearsed it on a taped-out mock-up for weeks. Listen for the little lag between foot and note; it's the real instrument wired up, not a dub.
Constance, here's a nice accident: the All-American Girls league she filmed started up in 1943, the same year she was born. The Rockford Peaches really were the ones who kept winning, four championships before the league folded in 1954.