It is a free show open to the general public, starts at 8:00pm.
“Presented by Citi / AAdvantage, the event will include an elegant, cabaret style concert in The Park with a 17-piece orchestra, dancers, and a variety of acts singing classic standards and jazzy takes on modern hits. Haley Reinhart, Renee Olstead, Dave Damiani, & The No Vacany Orchestra, Landau Eugene Murphy Jr., Spencer Day and Maiya Sykes are among the acts. The concert is free and open to the general public, with entry to The Park starting at 7:30pm and the concert beginning at 8pm.” via thegrovela.com
Here is a little preview of what you can expect at this free show: