“Tum-tum-tumty …”

Mr Saltzburg pressed his hands to his ears in a spasm of pain.

“No, no, no! Sour! Sour! Sour!… Once again. La-la-la …”

A round-faced girl with golden hair and the face of a wondering cherub interrupted, speaking with a lisp.

“Mithter Thalzburg.”

“Now what is it, Miss Trevor?”

“What sort of a show is this?”

“A musical show,” said Mr Saltzburg severely, “and this is a rehearsal of it, not a conversazione. Once more, please …”

The cherub was not to be rebuffed.

“Is the music good, Mithter Thalzburg?”