to swing one's partner, or simply to swing

This is a flat, unnecessary, and strangely disturbing denial of the fourth-wall convention, that unwritten agreement between playwright and playgoer whereby you think of yourself at the theatre as a privileged, exonerated, comfortably seated eavesdropper.

Surprisingly, Mignon Anderson, for all her innocence, was born into a theatrical family–in Baltimore, Maryland, on March 31,1892.

We spotlight the star, but the supporting cast has all the great lines in this scene.