According to press notes, the delay is "due to unexpected circumstances related to the recent blizzard that crippled New York."
Kudisch received Tony nominations for Thoroughly Modern Millie, Chitty Chitty Bang Bang, and 9 to 5. Additional Broadway credits include Assassins, The Apple Tree, Bells Are Ringing, The Scarlet Pimpernel, and Beauty and the Beast.
The concert was to be part of The Siegel Season at Town Hall, curated by TheaterMania contributor Scott Siegel. Additional events in the series will include the ninth annual Nightlife Awards on January 31 and All-Star Best of Jim Caruso's Cast Party on February 17.
Refunds will be sent to ticket buyers in due course.