Question: Who was in the music video for "Party Rock Anthem"?
About the article "Party Rock Anthem", section "Background".

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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". 
The music video for the song was uploaded to YouTube on December 4, 2009.
The video was filmed at Tao Beach at the Venetian Hotel, Las Vegas.
The video starts with people sunbathing at the Tao Beach pool.
Suddenly, Lil Jon, LMFAO, Q, Eric D-Lux and many others appear out of nowhere and start singing the song.
The video also features GoonRock, who later appears in LMFAO's hit singles Party Rock Anthem and Champagne Showers.
It is the clean version. 
  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.  
2NE1 — "I Am The Best"  CN Blue — "In My Head" James Blake — "Limit to Your Love" Kyary Pamyu Pamyu — "Tsukema Tsukeru" LMFAO — "Party Rock Anthem"  
  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.