Denzel Washington says it was a joy watching sons work on film

It was a red carpet family affair for Oscar winner Denzel Washington as he and his sons premiered "The Piano Lesson" at the Toronto International Film Festival (TIFF) on Tuesday (September 10). Denzel Washington is a producer on the Netflix movie, an adaption of the 1987 play by August Wilson, while his son Malcolm Washington directs and his other son, John David Washington, is a cast member.