A roster of film, TV and theater all-stars — including Steve Martin, Annette Bening, Billy Porter, Audra McDonald, Cynthia Nixon, Kristin Chenoweth, David Hyde Pierce and Rosie Perez — have signed up for a 10-hour telethon to raise money for the victims of the war in Ukraine.

In 2010, the year he turned 80, Stephen Sondheim had to endure a public fuss when a Broadway theater was being renamed in his honor.