Jack and Jill (dance)
Encyclopedia
Jack and Jill or Dance with a Stranger (DWAS, the UK term) is a format of competition in partner dancing, where the competing couples are the result of random matching of leaders and followers. Rules of matching vary.

The name and format were created by Jack Carey
Jack Carey (dancer)
Jack Carey is a United States swing dancer, choreographer and judge. In 1991 he was inducted into the Swing Dance Hall of Fame.-References:...

 at Hank & Stans in Norwalk, California
Norwalk, California
Norwalk is a suburban city in Los Angeles County, California, United States. The population was 105,549 at the 2010 census, up from 103,298 at the 2000 census, making it the 58th most populous city in California and the 255th nationally....

 in the early 1950s to encourage a variety of dancers to enter competitions.

The gender-ambiguous term Pat and Chris has been used, particularly in LGBT dance venues, to refer to events where the gender of lead and follow isn't specified. In the lindy
Lindy Hop
The Lindy Hop is an American social dance, from the swing dance family. It evolved in Harlem, New York City in the 1920s and '30s and originally evolved with the jazz music of that time. Lindy was a fusion of many dances that preceded it or were popular during its development but is mainly based...

 community in the U.S. a Jill and Jack, though less common, is a competition where the leads are required to be female and the follows to be male.
In dance competitions J&J is included as a separate division (or divisions, with additional gradations).
J&J is popular at Swing
Swing (dance)
"Swing dance" is a group of dances that developed with the swing style of jazz music in the 1920s-1950s, although the earliest of these dances predate swing jazz music. The best known of these dances is the Lindy Hop, a popular partner dance that originated in Harlem and is still danced today...

 conventions, as well as at ballroom dance
Ballroom dance
Ballroom dance refers to a set of partner dances, which are enjoyed both socially and competitively around the world. Because of its performance and entertainment aspects, ballroom dance is also widely enjoyed on stage, film, and television....

 competitions in the US.

J&J competitions are intended to test social dance skills, whereas fixed partner competitions test performance dance skills.

It is claimed that Jack Carey
Jack Carey (dancer)
Jack Carey is a United States swing dancer, choreographer and judge. In 1991 he was inducted into the Swing Dance Hall of Fame.-References:...

 is the originator of the Jack & Jill contest format.

Rules

Rules vary, depending on country and dance style.

In the UK, it is normal to randomly assign fixed couples, and then keep those couples fixed throughout the competition (for example, if there are multiple rounds). Thus, the winner is largely decided by luck of the draw, with the winning couple often being regular dance partners who were lucky enough to be paired together. As a result, DWAS competitions are not taken as seriously as fixed partner competitions.

In the US, Jack & Jill contests are extremely popular in the national West Coast Swing
West Coast Swing
West Coast Swing is a partner dance with roots in Lindy Hop. It is characterized by a distinctive elastic look that results from its basic extension-compression technique of partner connection, and is danced primarily in a slotted area on the dance floor...

 and Lindy Hop communities. Rules vary in events across the country but three rules seem to be standard in most Jack & Jill contests: 1) no choreography
Choreography
Choreography is the art of designing sequences of movements in which motion, form, or both are specified. Choreography may also refer to the design itself, which is sometimes expressed by means of dance notation. The word choreography literally means "dance-writing" from the Greek words "χορεία" ...

 is allowed, 2) no costumes are allowed, and 3) no lifts or drops are allowed. However, at the Champion or Invitational level, event organizers will occasionally opt for an "anything goes" Jack & Jill in which no rules apply. Music for the each dance is selected at random without the participants' prior knowledge, though some competitions will allow them to select the tempo (speed) or a sub-style within their dance's music (e.g. Blues or contemporary within West Coast Swing).

Although it is not the case in every Jack & Jill contest, it is somewhat typical for dancers to be judged individually, then dancers who make any elimination rounds redraw for new partners. Depending on rules specific to the event/competition, a Jack & Jill competitor may or may not be allowed to dance with their regular competition partner (one that they compete with in a choreographed division). At some events/competitions they are required to redraw; and some events that don't have the redraw rule give dancers the option to decline if they draw their regular competition partner but do not require them to do so. Some dancers who draw their regular [choreographed division] partner see this "luck" as more of a competition handicap, feeling that the crowd and possibly the judges will more closely scrutinize them, expecting even more of their competition performance than competitors who do not draw their regular partners.

One of the key elements of a Jack & Jill contest in the US West Coast Swing and Lindy Hop communities is the element of improvisation
Improvisation
Improvisation is the practice of acting, singing, talking and reacting, of making and creating, in the moment and in response to the stimulus of one's immediate environment and inner feelings. This can result in the invention of new thought patterns, new practices, new structures or symbols, and/or...

, which is why choreography is not allowed. This improv-based feature can prove to be extremely entertaining as dancers try to coordinate dancing with this new partner while dancing to the specific characteristics of a random song or "expressing musicality". Since the spirit of improvisation can possibly be dampened by the dancers having drawn their partner, it is often more difficult for the dancers to perform to the expectations of the spectators and the judges. Some dancers, however, are able to perform at or above the expectations depending on various factors, usually unpredictable factors such as the song, the consistency of the dance floor, or even just the simple factor of how they feel at that particular time. This can be compared to the American football adage "(on) Any Given Sunday".
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