Karen Mason is an American theatre actress and singer.

During one episode, Karen visits Mason during a swim try-out.

Karen Mason begins Wednesday, through Oct. 15.

Mad About the Boy is a novel by Karen Mason and references the song.

Karen Mason is the show's brass section, so she's responsible for "Ring Them Bells."

Her standby, Karen Mason, will play the role.

Karen Mason is now the featured performer.

What all of those people missed was a bravura performance by the entire company, led by Ms. Close's standby, Karen Mason.

Meanwhile, Karen Mason, an understudy, played the role.

It continues this weekend with solo concerts by John Barrowman tonight and Karen Mason tomorrow.