Since Broadway audiences will be denied Mason's performance in that role, Playbill.com is offering a mix of theatre and cabaret gems from the two-time Drama Desk Award nominee (Mamma Mia! and Carnival).

Here, Mason sings from musicals such as Sunset Boulevard, in which she appeared as Norma Desmond, and Mamma Mia! and Wonderland, in which she created the respective roles of Tanya and the Queen of Hearts. Also included are various cabaret appearances where she sings material from her multiple solo recordings.

Mason has also been seen on Broadway in Jerome Robbins' Broadway and Play Me a Country Song. Visit her page at the Playbill Vault.

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Mason performing "Dancing Queen" on "The Rosie O'Donnell Show" alongside Louise Pitre and Judy Kaye:

Mason's concert performance of "As If We Never Said Goodbye" from the Andrew Lloyd Webber musical Sunset Boulevard:

Mason singing the original song "Better Days" at a Trevor Project benefit:

Here, she sings "All That Jazz" from the musical Chicago:

Here is Mason's performance of "Everything's Coming Up Roses" from Gypsy:

Mason sings "Almost Like Being in Love" from the musical Brigadoon:

Here are highlights from Wonderland, in which Mason played the villainous Queen of Hearts:

Mason's version of "This Nearly Was Mine" from South Pacific:

Mason's performance of "Just in Time" from Bells Are Ringing:

The title track from Mason's album "Right Here, Right Now":

"Shoot for the Moon" from her album "When the Sun Comes Out":

"We Never Ran Out of Love (We Just Ran Out of Time)" also from the album "When the Sun Comes Out":