"Owen Wilson is my best buddy. Now, that doesn't mean I'm his best buddy, but he's my best buddy and he is a tremendous asset because not only is he just so great on screen, and he's great as an actor and he's great to work with," he said.
"I can come up with a few lines, send them to him and he'll come up with another one," Nelson said. "The next thing you know, he'll go into the studio and put a melody to it and record it and then put his voice on there. Then when I get a chance, I put my voice on there and it seems to be working."