A little Quiz

What do the following songs have in common?

Camptown Races
Dixieland
The Lone Ranger
When the Saints go Marching in
Love Me Tender
She'll be Coming 'round the Mountain
Clementine
Three Blind Mice
The Toreador Song
There's no Place Like Home
America the Beautiful

Give up? Well all of these songs are played by our Doorbell! Yes, you read that right. No boring old 'ding-dong' here; the Sullivans get serenaded every time someone comes to the door. It's becoming a game: what song is next???