Actually Annie Golden was standby for Mary and Jackie. She sat onstage with the band every night and sang backup. If one of the men went on they did the part as men and just camped it up. One of the sisters was male all the time anyway, so the roles were pretty fluid to begin with.
"The sexual energy between the mother and son really concerns me!"-random woman behind me at Next to Normal
"I want to meet him after and bang him!"-random woman who exposed her breasts at Rock of Ages, referring to James Carpinello