Also Heard On the Train (Different Train)

Toddler opposite is watching cartoons

<Cartoon singing voice>

"Down, Down, Down, Down, Down, Down, 

Down, Down, Down, Down, Down, Down ... </Cartoon singing voice>

 

My immediate thought was: This is going to be a particularly weird version of The Ballad of the Witches Road

 

<Cartoon singing voice>

London Bridge is Falling Down ...
</Cartoon singing voice> 

Ah, not the Agatha All Along version ;)