GoonRock

The album's main single, "Party Rock Anthem", was first created by RedFoo of LMFAO and GoonRock.[2] According to GoonRock, he originally wrote the song and the hook for Flo Rida, who passed on the song. RedFoo and GoonRock then changed the beat to "feel more epic, inviting, and fun" and recorded it themselves for LMFAO.[7] "Party Rock Anthem" features British singer Lauren Bennett. Besides co-producing and co-writing the song, GoonRock also sang guest vocals on the song.[5]

The song was released to DJs on New Year's Eve 2010, and debuted a week later at number 1 in Canada.[2] It was officially released on January 25, 2011,[5] and soon after began climbing the charts in 18 countries.[2] The song spent six consecutive week on the US Billboard Top 100 at #1, and the video, as of December 2016, has over 1.21 billion views.[8] The song also peaked at number-one in[5] Canada, the UK, and over ten other countries, as well as the top ten in many others.[9]

In 2011, the track was the #2 top selling song of 2011 on iTunes in the US, and was the #1 selling song on iTunes in the UK, Canada, New Zealand, Australia, Denmark, Norway, Finland and Sweden. It was also featured in a number of television commercials and shows,[6] and was performed at the 2012 Super Bowl with Madonna.[8]

The second single from Sorry for Party Rocking was released on May 27, 2011 and co-written by GoonRock.[7] Titled "Champagne Showers," it features English singer-songwriter Natalia Kills.[9] The song was performed on American Idol in April 2012.[6]

He also co-wrote the third single, "Sexy and I Know It", which was released on October 3, 2011. It reached #1 on the iTunes charts worldwide and #1 on the Australian and Canadian Hot 100.[10] “Sexy and I Know It” also reached #1 in UK, Canada, Denmark, Ireland, Austria, Japan and New Zealand, and hit #1 on both Billboard's R&B/Hip Hop Top 100 chart and the Billboard Hot 100 chart.[8]

On April 18, 2012, he won two ASCAP Pop Awards for his work co-writing and producing the tracks "Party Rock Anthem" and "Sexy and I Know It".[8] The awards were for "Most Performed Song."[1] Shortly after, he and LMFAO were nominated for 17 different categories of the 2012 Billboard Music Awards, including Top Hot 100 Artist, Top Duo/Group and Top Pop Artist.[6]

On April 27, 2012 Digital Spy reported that Lopez had recorded two songs produced by GoonRock: "Clothes Off" and "Goin' In".[4] Regarding GoonRock, Lopez was quoted as saying he is "very forward with his sound".[12]

"Goin' In" was co-written by GoonRock, who also produced and mixed the song which speaks of the freedom found in dance.[13] On May 10, GoonRock posted this message on his Twitter account "Crazy day finishing 2012 's Song of the Summer for @jlo and @Official_flo #goinin."[14] The song made its radio premiere on May 24, 2012 on Ryan Seacrest's radio show On Air with Ryan Seacrest.[15] The song is featured on the soundtrack of the dance film Step Up Revolution (2012) and on her first greatest hits album Dance Again... the Hits (2012). Lopez debuted "Goin' In" on the season final of American Idol May 23, 2012.[16][17] "Goin' In" peaked at #1 on the US Billboard Hot Dance Club Songs chart for 2012.

Initial critical reception to the song was positive. Robbie Daw of the website Idolator claimed that "Goin' In" was the "hardest club track we’ve heard from the J.Lo canon in recent years."[18]

• So Let's Talk Music: Interview With Producer GoonRock (July 15, 2011)
• Billboard: LMFAO: The Billboard Cover Story (August 5, 2011)