It's possible, and something I had considered; basically the line is from the morning after Doug's arrival at 12 Grimmauld. But I'm not sure just playing music is enough to clue her in to the extent that the line suggests she is.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.