I recently noticed that a large number of songs, some British, some American, have the phrase "Kitty alone" in the chorus. In none of these songs does the phrase seem to have any relationship to the content of the lyrics. Also, none of the three main songs seems to be relted to the others. Does anyone have any thoughts as to whether there's a core of meaning in "Kitty alone", or is it pure nonsense? If the latter, why would it show up in different songs?

To be specific, it's in:

a song called "Kitty Alone" recorded by Sally Rogers;

a song called "Kitty Alone and I", which Barry Luft recorded; he learned it from an Ed Trickett recording which he no longer has; and

a numbers of songs of the "Mouse's Wedding" family, including "Uncle Rat", on Danú's CD "all Things Considered".

Just curious...