icecreambenjamin said: "Butter Broadway said: "She's a brilliant actress, and could take singing lessons. I think she would be perfect honestly.
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I do like her as an actress, but Eliza is an incredibly difficult singing part that is hard for even trained voices. I don't see anyone like Carey Mulligan or Anne Hathaway being able to sing this score 8 times a week.
I wouldn't say that the role is as vocally demanding as you are saying- The songs aren't incredibly difficult, though definitely not easy and require a fully trained female singer to perform well, so Hathaway and Mulligan(Although I've never heard her sing) are out of the question in my book. But there are much harder songs out there then the ones Eliza sings in My Fair Lady. It's the physical demands , the acting chops, and pulling them off as well as singing the role 8 times a week (or even less) that make the part so difficult: She has to be hugely expressive, bold, loud, and entertaining with a Cockney dialect to boot ( Which, needs to be authentic) and then transform into a prim and proper lady with not just an adequate english dialect, but a perfect one, all while showing a strong emotional journey and change from her former self to her new self and then to someone else entirely at the end. I would say that those are the things that make the role extremely challenging, not the singing, which trained singers wouldn't have huge obstacles to overcome with if they were just singing the songs outside of the context of the show.