Last week, we talked about gender-swapping and dancing switch in contra lines. This week we take the concept to the entire line, where people can intentionally swap roles and partners up and down the line as the dance goes on. These so-called “chaos/shenanigans/wild/etc. lines” have at times been formally announced, and at other times have happened on smaller scales on a somewhat ad hoc basis through two or three couples following each other up or down the set (with all of them being 1’s or all being 2’s, and then swapping partners and roles amongst themselves as they traveled up or down the line).
 
 
Seth Tepfer from the Atlanta, Georgia area wrote  a couple of contras that were designed for a 12-bar blues tune rather than a 32-beat contra tune (links take you to his site).

I've seen blues choreography worked into contras (especially swings) before, and I've danced contras and ECD and Sicilian circles in waltz time, but I hadn't seen this before, so I thought I would share.