The July 8 concert, featuring the Chicago Symphony Orchestra, will be led by composer and conductor Marvin Hamlisch, who returns to the festival for the first time since 2001. It is Menzel’s first time performing with the CSO.

Menzel won a Tony Award for Leading Actress in a Musical for her work as Elphaba in Wicked; she also opened the London production of that hit musical. Menzel created the role of Maureen in the original Broadway company of Rent, and her other theatrical credits include the City Center Encores! production of Hair, Manhattan Theatre Club's The Wild Party, the Public Theater's See What I Wanna See and the benefit Funny Girl concert. Menzel's screen credits include "Glee," "Ask the Dust," "Rent" and "Enchanted." For more information visit www.idinamenzel.com.

Tickets for this concert and all other shows during the 2012 summer season go on sale March 8 to festival donors and to the public exclusively online on April 26 at Ravinia.org. A full list of summer events will be announced March 8.