Martin left the show awhile ago for her television series.
She has since been replaced by her understudy, Molly Ranson, and (I believe) is scheduled to return once filming is complete.
Tonya Pinkins: Then we had a "Lot's Wife" last June that was my personal favorite. I'm still trying to get them to let me sing it at some performance where we get to sing an excerpt that's gone.
Tony Kushner: You can sing it at my funeral.