In advance of Ravinia’s March 29 concert by Roomful of Teeth, featuring a performance of the Pulitzer Prize- and Grammy-winning Partita for Eight Voices, director Brad Wells and composer-member Caroline Shaw will participate in a live video question-and-answer session. To make sure your question gets answered, tweet it in advance @RaviniaFestival with #RoomfulQA, then join the imaginative collaborators live at 6:30 p.m. Monday, Feb. 24, at Ravinia.org/RoomfulQA.aspx. Reserved tickets for the group’s Ravinia debut are only $10, or $40 inclusive of dinner. In addition to the much-lauded Partita, the program will include works by Rinde Eckert, Caleb Burhans, Judd Greenstein, Brad Wells and Merrill Garbus.