Your Favorite Rock Dudes Teamed Up to Sing 'Summer Nights' from Grease

"If I Loved You: Gentlemen Prefer Broadway," a concert held in Toronto last weekend, ended with a delightful bang when David Byrne, Boy George, Ezra Koenig (Vampire Weekend), Josh Groban, Brent Carver, Steven Page, Brennan Hall and concert organizer Rufus Wainwright all teamed up for a performance of "Summer Nights"… » 6/17/14 5:15pm 6/17/14 5:15pm