she's working it. >> clayton: my late '70s play list. a british woman busting a move and stops while someone walks by, but gets the beat going again and the music provided by us. he we don't know what she's dancing to. >> anna: an internal sound track. >> tucker: and she's got it in her head and she didn't have any ear phones. >> clayton: that's organic. >> anna: and this happened to me last week, and i was walking my dog, it wasn't dancing, it was singing and a guy walks by, i can't hear him. music is up so loud. he goes that's a great song. what was i singing? >> stand by me. >> anna: not necessarily the safest song to sing. >> clayton: do you dance in