O is a water-themed stage production by Cirque du Soleil, a Canadian circus and entertainment company.
 The show has been in permanent residence at the Bellagio in Las Vegas, Nevada, United States, since October 1998.
 "O", whose name is pronounced the same way as "eau", the French word for "water", takes place in, around and above a 1.5 e6USgal pool of water, featuring water acts such as synchronized swimming as well as aerial and ground acts.
 The "O" theatre, which is designed to resemble a 14th-century European opera house, has 1,800 seats, thus allowing the performance to be watched by 3,600 people a night since the performance usually plays twice in a given day, also designed to meet the special demands of the show.
Benoît Jutras, (born 1963) is a Canadian composer.
 Jutras is best known for his work with the Canadian entertainment company Cirque du Soleil, first as music director and later as composer for several of the company's contemporary circus shows.
 Jutras' music often blends eclectic influences, including world beat, classical, rock, trip hop, and electronica.
 His scores for Cirque du Soleil shows include "O", "Mystère", "Quidam", and "La Nouba".
 His work outside of Cirque du Soleil has included original soundtracks for "Le Rêve" (a show at the Wynn resort in Las Vegas), the "Glow in the Park Parade" (a nighttime parade at Six Flags theme parks), and "The House of Dancing Water" (a show at the City of Dreams resort in Macau).
 He has also composed for film and television.
Carolina Moraes (born 5 April 1980) is a former synchronized swimmer from Brazil.
 She competed in the women's duet competition with her twin sister, Isabela Moraes, at both the 2000 and 2004 Summer Olympics .
 Both also competed for Ohio State University, winning 11 national championships, including the team routine title in 2000, and four straight titles in duet and trio routines between 1999 and 2002.
 Following the Olympics, Carolina and Isabela retired and joined Cirque du Soleil, with their first performance being as part of the 2005 World Aquatics Championships opening ceremony.
 Both have been part of the cast of "Le Rêve", a show presented in Las Vegas since 2007, though Carolina is less frequent as she travels with her husband, part of Cirque du Soleil's technical team.
Dralion (pronounced Drah-lee-on) was a touring production by the Canadian entertainment company Cirque du Soleil.
 The show combined elements of traditional Chinese circus with Western contemporary circus, complementing the "East-meets-West" theme implied in the title — the name is a portmanteau of "dragon" (representing the East) and "lion" (representing the West).
 It is Cirque du Soleil's 12th touring production and the first Cirque show since 1985 not to be directed by Franco Dragone.
 Dralion performed its final show at the Sullivan Arena in Anchorage, Alaska on January 18, 2015, bringing its 15 year world tour to a close.
The House of Dancing Water is a water-based stage production written and directed by Franco Dragone.
 The show, which was the second water show by Franco Dragone's company, premiered in September 2010.
 , it had been performed over 1,000 times and seen by over 2 million spectators.
 The production is located at the City of Dreams resort on the Cotai Strip in Macau.
 The show runs for 90 minutes, and features acrobatic elements and original acts, with a stage that transforms into different sets.
 Over 80 gymnasts, circus artists, dancers, divers, actors, and motorcyclists are featured in the show.
 The performers work alongside 160 production staff, technicians and professional scuba divers from around the world.
 Dragone also directed "Celine Dion: A New Day" and "Le Rêve" in Las Vegas with his own company, "Dragone".
Zumanity is a resident cabaret-style show by Cirque du Soleil at the New York-New York Hotel & Casino on the Las Vegas Strip.
 The production was unveiled on September 20, 2003.
 It is the first "adult-themed" Cirque du Soleil show, billed as "the sensual side of Cirque du Soleil" or "another side of Cirque du Soleil".
 Created by René Richard Cyr and Dominic Champagne, "Zumanity" is a departure from the standard Cirque format.
 Intended to be for mature adult audiences only, this show is centered on erotic song, dance, and acrobatics.
Mystère is a Cirque du Soleil show in permanent residence at the Treasure Island Hotel and Casino in Las Vegas, Nevada, United States.
 It is one of six resident Cirque du Soleil shows in Las Vegas, the others being "O", "Zumanity", "Kà", "Love", and "".
 "Mystère" was first performed on December 25, 1993 and quickly won over audiences with its unique style of circus entertainment.
 As with many Cirque du Soleil productions, "Mystère" features a mixture of circus skills, dance, elaborate sets, opera, worldbeat music, and street theatre-style comedy.
Anna Stankus is a circus performer who specialises in hula hoop manipulation whilst also incorporating rhythmic gymnastics and contortion in her acts.
 She is currently on tour with Cirque du Soleil Amaluna for its European and South American tours.
 Since first beginning her career in 2007, she has gone on to perform in many productions worldwide including for Cirque du Soleil, Cirque Le Noir, Franco Dragone shows and in various variety shows in her hometown of Las Vegas.
Cirque du Soleil: Worlds Away is a 2012 American 3D family fantasy film directed by Andrew Adamson.
 The film premiered on October 20, 2012 at the Tokyo International Film Festival, and was released theatrically in the United States on December 21, 2012.
 Distributed worldwide by Paramount Pictures on December 21, 2012, the film tells the story of a girl named Mia going to a traveling circus and falling in love with its main attraction, the Aerialist.
 After the Aerialist falls during his act, he and Mia are transported to another world where each encounter the different worlds of Cirque du Soleil through O, Mystère, Kà, Love, Zumanity, Viva Elvis and Criss Angel Believe.
 It stars Erica Linz and Igor Zaripov as the main characters and incorporates acts from some of the Cirque du Soleil shows that were running in Las Vegas in 2011 including O, Mystère, Kà, Love, and Viva Elvis.
Le Rêve is a stage production in residence at the Wynn Las Vegas casino resort.
 It is set in an aquatic stage with a one million-gallon water capacity and features diving and feats of strength with state-of-the-art special effects, where no seat is more than 40 feet (12 m) from the stage.
 The production was created by Franco Dragone and is similar to the shows produced by Cirque du Soleil.
 Dragone, who was the director behind "O", "La Nouba", "Mystère", "Alegría", and "Quidam", has not revealed the cost of the production.
 However, major Las Vegas shows average around $30 to $40 million to produce.
 The show features 90 performers and 250 cast and crew members.

Question: Le Rêve is a stage production in residence at the Wynn Las Vegas casino resort, Dragone, who was the director behind which water-themed stage production by Cirque du Soleil, a Canadian circus and entertainment company, since October 1998?
Answer: O