>Even better: there was litigation against the Girl Scouts, trying to get them to pay royalties on copywritten songs sung around the campfire at GS camps (which was thankfully withdrawn). There is a limit...

You know you're supposed to pay royalties every time you sing the Happy Birthday song? But there is a limit, like the time they tried to get Gift Tax for Mark McGwire's 70th Homerun ball, or which ever one it was. Blech.