(an abbreviation of and subtitled The Energy Never Dies) is the fifth studio album by American group the Black Eyed Peas.

with fellow member apl.de.ap and longtime collaborators Printz Board and Poet Name Life, alongside David Guetta, Jean Baptiste, DJ Replay, Funkagenda, Keith Harris, Mark Knight and Frederic Riesterer.

It was the Black Eyed Peas' first number-one album on the US Billboard 200, debuting atop the chart with first-week sales of 304,000 copies.

"Imma Be" was the group's third Billboard Hot 100 number-one hit, and reached the top ten in Australia, Canada and Hungary.

The final single "Rock That Body" peaked at number nine on the Billboard Hot 100 and within the top ten in nine countries.

commenced in 2006, will.i.am revealed its songs would address social and political issues, but that the album would be a "fun record" regardless, adding: "We are not complaining.

[13] Trance track "Rock That Body" features heavy usage of Auto-Tune, with Fergie's vocals notably high-pitched.

Times are really hard for a lot of people and you want to give them escape and you want to make them feel good about life, especially at these low points.

[8][18] Inspirational lyrical themes prevail on "Now Generation", a power pop guitar and harmonica-driven track, and the world peace-themed "One Tribe".

[20] In an interview with Billboard, will.i.am stated that the title The Energy Never Dies described his model for a project that would be living and frequently updated throughout its designated cycle: "It's a diary [...] of music that at any given time, depending on the inspiration, you can add to it", adding: "I'm trying to break away from the concept of an album.

[30] In the US, "I Gotta Feeling" was performed on the Late Show with David Letterman on June 9 and the 2009 Teen Choice Awards on August 9.

[40] In France, the group performed "Meet Me Halfway" and "I Gotta Feeling" at the NRJ Music Awards on January 23, 2010.

[44] It was the group's biggest tour production-wise, with Fergie stating that they were "trying to up [their] game" and the shows would "utilize a lot of the technology that's out there".

[53] Internationally, it peaked atop the charts in Australia, Belgium, Canada, Croatia, Israel, Portugal and the United Kingdom.

[54][55][56][57][58] At the 52nd Annual Grammy Awards (2010), the song was nominated for Best Dance Recording, but lost to Lady Gaga's "Poker Face".

Critically acclaimed, the song won Best Pop Performance by a Duo or Group with Vocals at the 52nd Annual Grammy Awards.

[63] Its accompanying music video was directed by Mikey Mee and features guest appearances from David Guetta, Kid Cudi, members of the indie rock band Gossip, the designer duo Dean and Dan Caten of Dsquared2 and RuPaul's Drag Race alumni Ongina.

[53] Internationally, it peaked atop the charts in Australia, Belgium, Germany, Greece, Israel, Luxembourg, Norway, Romania and the United Kingdom.

[66][67][68] Directed by Ben Mor, the song's accompanying music video features the members in different parts of the Solar System–Fergie lies in the middle of a lush green jungle, apl.de.ap levitates on a desert planet in nomadic clothing, will.i.am rides an elephant on a moon of Jupiter and Taboo glides around the Sun in a spacesuit.

on May 19, 2009,[25] "Imma Be" was released as the fourth US and fifth and final international single on January 12, 2010, simultaneously with "Rock That Body", to critical acclaim.

[61] Following its performance at the 52nd Annual Grammy Awards, the song became the Black Eyed Peas' third US Billboard Hot 100 number-one single.

[53] Internationally, the song failed to replicate the commercial success of its predecessors, but peaked within the top ten in Australia, Canada and Hungary.

[65] Internationally, it peaked within the top ten in Australia, Austria, Belgium, France, Germany, Ireland, Israel, Italy and Portugal.

[80] "Showdown" was used in theatre rounds of So You Think You Can Dance Australia, which propelled it to number 66 on the Australian Singles Chart on February 15, 2010.

[81] "One Tribe" was used for Pepsi commercials in 2010,[82] and was also included on the album Songs for Japan (2011), released in support of the victims of the 2011 Tōhoku earthquake and tsunami.

were comparatively mixed, with John Bush of AllMusic commenting on the Black Eyed Peas' move from hip hop to pop music by writing: "The Black Eyed Peas make effective pop/crossover music, but with all the limitations of the form – vapid lyrics, clumsy delivery, vocals smoothed over by Auto-Tune, and songwriting that strains for (and reaches) the lowest common denominator.

"[9] Eric Henderson from Slant Magazine also commented on the Black Eyed Peas' change in musical direction, saying: "On the one hand, you have the pre-Fergie band, which delighted the college rock intelligentsia with its bite-sized, pre-chewed imitation of legitimate alternative hip-hop a la A Tribe Called Quest and the Roots... On the other hand, you have the post-Fergie clown troupe, which has traded any and all available credibility in pursuit of becoming (successfully) the most flagrantly commercial pop supergroup since Destiny's Child.

[126][128] International Federation of the Phonographic Industry (IFPI) certified it triple platinum in 2010, for sales of three million copies across Europe.

[140] Writing for Slate, advertising critic Seth Stevenson was extremely deprecatory of the partnership, branding the commercial "an abomination" and the group "a bunch of sellouts".

In July 2009, English record producer Adam Freeland accused the Black Eyed Peas of plagiarizing the beat from his song "Mancry" on the track "Party All the Time".