Ms. Maffre and Mr. Pierce have a slow, sad duet that is followed by an interplay of shifting patterns.
"The Arms of Orion" is a slow, romantic duet written by Sheena Easton, performed with Prince from the 1989 Batman soundtrack.
By contrast, the ensuing slow duet with its sharply angled lifts was less blurred and the details in the solos were only occasionally lost.
Modern angst might also appear to permeate the two slow duets danced by Kimberly Bartosik and Mr. Gafner.
The song he sings with Boy George is a slow, stately duet called "You Are My Sister."
Mr. Creach and Mr. Koester supported each other in a slow duet.
As the ballroom courtesies begin to seem as much a fantasy as the slow, stylized duet, the spectator becomes less sure about which image is reality.
There are subtle bits of staging, as when a dark, slow duet begins to unfold in dim light behind a bright and fractious quartet that is just ending.
Patrick Corbin's slow, tender duet with Ms. Mansfield turned a leave-taking into a lovely elegy.
A plastic-bag dance, Ms. Eastman said, will probably represent the blizzard, and a slow duet the glacier.