"Let the Good Times Roll" banned from YouTube in 2012

What in the heck is going on with YouTube? A few days ago I posted (embedded) Shirley and Lee's recording of "Let the Good Times Roll" from YouTube. When I tested it, I was informed that WMG owned it and I should click to go to YouTube to watch it, where, of course, I was subjected to an unavoidable ad. But at least I got to listen to it. A few days later I find this: