Has this ever been verified by anyone connected with the film? I've been reading about the Murphy sweetening almost since the film came out, even as the director talked endlessly about those who gathered to hear Streep record her vocals. How nothing less that awe was voiced about her focal performance, not merely her interpretation. The "sources" are always shadowy.
“I had to expand my chest and be able to hold a tone longer than I’ve tried to do in 15 years,” Streep said, laughing, sitting at a round, white-draped table in a large empty room at the Waldorf Astoria in New York, which Disney colonized, shortly before Thanksgiving, for its “Into the Woods” media blitz.
