Question: What group was responsible for handling choreography for the Party Rock Anthem video?
About the article "Party Rock Anthem", section "Background".

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Perfume — "Laser Beam" (choreography by Mikiko) Beyoncé — "Run the World (Girls)" (choreography by Frank Gatson, Sheryl Murakami and Jeffrey Page) Chris Brown — "Yeah 3x" LMFAO — "Party Rock Anthem" (choreography by Hokuto "Hok" Konishi) Shinee — "Lucifer" (choreography by Rino Okinawa and Jaewon Dancing)  
  Hokuto "Hok" Konishi appeared on the third season of "So You Think You Can Dance", choreographed "Party Rock Anthem" and "Sexy and I Know It" and is seen in "Champagne Showers", also seen in "Sorry for Party Rocking by LMFAO.
He also appeared and preformed Steve Terada's martial arts choreography in "Fine China" by Chris Brown.
Steve Terada is a well-established extreme martial artist and tricker.
He appeared in The Black Eyed Peas' "Pump It" music video and has also appeared in the film "Memoirs of a Geisha".
Ryan "Ryanimay" Conferido appeared on the first season of "So You Think You Can Dance".
He was also part of LMFAO's "Party Rock Anthem" and "Champagne Showers" and "Sexy And I Know It".
Dominic "D-Trix" Sandoval appeared on the third season of "So You Think You Can Dance" along with Hokuto "Hok" Konishi and returned in season seven as an All-Star.
He was a judge for America's Best Dance Crew, and is a member of YTF alongside with Victor Kim, Kevin Wu (KevJumba), Ryan Higa (NigaHiga), Chester See, Andrew Garcia and JR Aquino.
He also has his own YouTube channel 'the DOMINIC show' which has over 1 million subscribers.
In addition, he has appeared in several Nigahiga YouTube videos.
Victor Kim also performs with Fallen Kings alongside D-Trix.
He was also in "Party Rock Anthem", "Champagne Showers", and "Sexy and I Know It" by LMFAO and endorsed the new McDonald's Frozen Strawberry Lemonade drink.
He is also a member of YouTube group YTF, alongside D-trix, Kevin Wu (KevJumba), Ryan Higa (NigaHiga), Chester See, Andrew Garcia and JR Aquino.
He was also seen in numerous wongfuproduction shorts and starred in AT&T promo short "Away We Happened".
Brian Hirano has appeared in the Natasha Bedingfield music video "Pocketful Of Sunshine".
Brian Hirano is also featured in the Colby O'Donis music video for "What You Got".
Ryan "Feng" Feng choreographed "Champagne Showers" by LMFAO.
Lydia Paek also appeared on the third season of "America's Best Dance Crew" but due to limited space on teams competed with the Boxcuttuhz crew instead.
She is working with YG Entertainment.
She co-wrote and co-produced "Don't Cry" with Teddy for 2NE1 member Park Bom.
Lydia was introduced through Shaun Evaristo, who choreographs for Big Bang and 2NE1.
Aris "FreakinAris" Paracuelles appeared on America's Best Dance Crew Season 6 Finale and Champions for Charity as a temporary performer for Feng and D-Trix.
He was also part of LMFAO's "Party Rock Anthem" and "Champagne Showers", and he can be seen in "Sexy and I Know It", also seen in Sorry for Party Rocking.
Andy "RocketMan" Luo performed with the rest of the crew as a guest performance for LMFAO's 2012 Tour.  
In 2005 Ehrlich co-produced the music videos assembled for ' as well as "Lighthouse"’s music DVD "Lighthouse: Live in Portland!".
In 2007 she then produced ' for Nelly Furtado.
In 2010 Ehrlich was named in the nominations for the Best Collaboration, Best Choreography, and Video of the Year awards at the MTV Video Music Awards, for her work in co-producing the Lady Gaga video for "Telephone".
The video won the award for Best Collaboration.
She was also named in nine nominations for co-producing the Lady Gaga video "Bad Romance", from which the video won the Best Female Video, Best Pop Video, Best Dance Music Video, Best Direction, Best Editing, Best Choreography, and Video of the Year awards.
Then in 2011 Ehrlich was awarded the Grammy for Best Short Form Music Video for the video, which she co-produced with Heather Helier.
At the 2011 VMAs, Ehrlich was named in four nominations, including nominations for Best Female Video, Best Choreography, and Best Art Direction for the Lady Gaga video "Born this Way" (winning for Best Female Video), in addition to co-producing the Best Choreography nominated video "Party Rock Anthem" by LMFAO.
She received the credit as creative producer and producer for the Lady Gaga album '.
In 2011 she also produced the television specials ' and "A Very Gaga Thanksgiving".
In January 2014 Ehrlich began co-producing the lady Gaga video G.U.Y at hearst castle and in March 2014 it was released.
She has also worked with artists including The Cure, Snoop Dogg, and Quincy Jones on music production projects. 
  Steve can be seen at the beginning of the music video "Pump It" by The Black Eyed Peas.
Members of Quest appeared in the music video "Dance Like Michael Jackson" by Far East Movement.
Members of Quest appeared in music videos for Baby Bash and Snoop Dogg.
Victor was one of the dancers in Kevjumba, Wong Fu Productions, and David Choi's Music video for "Dance to this Song".
Steve and Victor can be seen in the music video "Rocketeer" by Far East Movement.
D-Trix appeared in the music video for "Ready to Go (Get Me Out of My Mind)" by Panic!
At The Disco.
Hok choreographed the music video "Party Rock Anthem" by LMFAO Ryan And Feng Were Co-Choreographers.
The music video had also been nominated for the 2011 MTV Video Music Award for Best Choreography.
Hok, Ryan, Feng, Victor, Steve, Aris, and Hirano also make an appearance in the music video.
Hok and Feng choreographed the music video "Champagne Showers" by LMFAO.
Hok, Ryan, Feng, Victor, Steve, Aris, and Hirano also make an appearance in the music video.
Hok is one of the main backup dancers in the Sexy and I Know It by LMFAO Music Video.
Ryan, Feng, Aris, Victor, Steve also make an appearance in the music video.
Hok is one of the main backup dancers in the Sorry for Party Rocking by LMFAO Music Video.
Ryan, Feng, Aris, Victor, Steve, and Hirano also make an appearance in the music video.
Hok, Ryan, Feng, Victor, Steve, and Hirano also appeared in the music video for Live My Life by the Far East Movement feat Justin Bieber(party rock remix).
Lydia Paek was a backup dancer in "One of a Kind" by GDragon.  
Music video.
In an interview with the Irish Channel TG4, Redfoo stated that they are working on the video for the song.
Before this song was released as a single, Redfoo also said that "Sorry for Party Rocking" was a crowd favorite.
The official video was uploaded to VEVO on February 21, 2012.
The video was directed by Mickey Finnegan and is the prequel to "Party Rock Anthem".