In an interview with Toronto Star theatre critic Richard Ouzounian, Sondheim admitted that Merman proved to be a much better actress than he had expected, but tshe was better in the first act with the "low comedy" scenes (The Hotel room scene comes to mind) and less effective in the more dramatic second act. On the cast album she really nails Rose's anger in "Some People" and especially "Rose's Turn."
Sondheim said that Angie was just the reverse, stronger in the second half but not quite as good in the first.The cast album is mis-leading because, as with most British cast albums, it sounds tinny and there are a so many wrong notes in the Overture it hurts. To my ears I hear Angela the actress trying to sing a role that is really outside of her range but she is dynamite within it.
I saw Daly the day before the 1990 Tony awards and she was on fire. She was fierce and scary and if you have seen her TV work you know she knows how to play subtext. The cast album was taped after she had missed several performances due to illness, and her voice sounds ragged. Some insist she sounded that way in the theatre and it could be that her acting on stage more than compensated. She deserved her Tony!
There is no single "correct" interpretation of the role of Madame Rose (not Momma Rose!) Each actress can highlight different aspects and it still works. I have seen stars do it I have seen no-name actresses in community productions do it and it (almost) always works. The next one for me will be Louise Pitre in a concert version being done here next fall. Can't wait.
Cast albums are NOT "soundtracks."
Live theatre does not use a "soundtrack." If it did, it wouldn't be live theatre!
I host a weekly one-hour radio program featuring cast album selections as well as songs by cabaret, jazz and theatre artists. The program, FRONT ROW CENTRE is heard Sundays 9 to 10 am and also Saturdays from 8 to 9 am (eastern times) on www.proudfm.com