The short story The Man, the Maid and the Miasma by P.G. Wodehouse ends with the following paragraphs:
He bent across the table.
'Isn't this like the old times?' he said. 'Do you remember the first time I ever ki–'
Just then the orchestra broke out.
The sentence I am wondering about is the last, "Just then the orchestra broke out". My first thought was that it was all a play in the theatre, because there were a few references to the theater in the story. Am I right, or is there a better explanation?