No, really. I couldn't make that up.
Anyway Sharon tried to settle Lex tonight, and he would not settle. She headed off to resettle him again, and this time it worked! When she came down, I told her I was surprised, and didn't think he was going to settle.
She mimed patting Lex's back and then starting singing a rough version of... you guessed it! It's the easiest he's settled for her in a while.
Here's the only copy I could find on Youtube.