The show recently played its 500th performance.
127 New Yorkers star in the Public Works' musical adaptation by Shaina Taub and Laurie Woolery.
The concert will include songs from the upcoming Broadway musical KPOP and Netflix's animated movie Over the Moon
The two-night concert is part of the inaugural Charlotte International Arts Festival in Charlotte, North Carolina.
The Tony Award-winning actor and writer will also have signed copies of the book available at the Union Square Barnes and Noble event.
The star-studded production also offers additional rush tickets through TodayTix.
The pair will also be joined by Bre Jackson.
Directed by Julianne Boyd, the Sondheim musical plays the Massachusetts theatre through August 28.
"Now lawyers do their work," says the Tony-, Emmy-, and Grammy-winning Broadway icon.