“Tune into PBS on Friday, April 6 at 9:00 pm for a Live From Lincoln Center broadcast as America’s favorite soprano, Renée Fleming, performs at Lincoln Center’s Stanley H. Kaplan Penthouse. She’ll be joined by Josh Groban and Orpheus Chamber Orchestra to perform Samuel Barber’s classic Knoxville: Summer of 1915, Broadway favorites, and songs from her 2010 indie rock album Dark Hope,” says a press release.