The Sept. 3 concert will feature a mix of musical theatre and pop standards, including "The Spark of Creation," "House of Love" and "Ironic," among others. Weiss will be joined by special guests for the 9 PM performance.

Chris Bratten will be the evening's musical director.

Natalie Weiss recently made her Broadway debut in Everyday Rapture, understudying Lindsay Mendez and Betsy Wolfe. She was in the ensemble and understudied the role of Elphaba in the second national touring company of Wicked. She has performed at venues all over New York City, including Birdland, the Duplex and the Laurie Beechman Theatre. She was an "American Idol" semi-finalist but is best known for her YouTube videos of "And I Am Telling You,” "I'm A Star,” "Quiet,” "The Spark of Creation” and "I Believe In You And Me."

Barre Vermont is part of the Vermont restaurant complex located at 1714 N. Vermont in Los Angeles. Tickets are $15, plus a two drink minimum; advance tickets buyers receive priority seating (go to www.showatbarre.com); tickets (if available) can also be purchased at the door.