Bill McCullough went from playing in a band to taking wedding pictures. He found that the two were not dissimilar.
via Lens Blog: http://lens.blogs.nytimes.com/2013/04/09/shooting-weddings-for-better-or-for-worse/
“When I photograph, it’s very much — things are going around me, and there’s sort of a performance in front of the lens, because I’m not staging or posing anything,” he said. “Some of the photos might look that way, but they’re not.”