The Bee Gees' Barry Gibb talks new music, HBO documentary and biggest regret

Speaking with TODAY’s Al Roker about the painful loss of his brothers Robin and Maurice, Barry Gibb, the last surviving member of the Bee Gees, says he just can't bring himself to watch the HBO documentary about the famed group and that his biggest regret in life is not having spent more time with them. Gibb also reflects on his long career and shares how he's honoring his brothers' memory.