Sofia Coppola and Thomas MarsDirector Sofia Coppola, daughter of Hollywood luminary Francis Ford Coppola, is expecting her second child with musician Thomas Mars, reports PEOPLE.

Mars, frontman for alternative rock band Phoenix, confirmed the news during an interview with Chicago's WXRT radio station.

"I heard the story that if you play Bach, [babies in the womb] get smarter," joked the French-born rocker.