Karen O and Ezra Koenig Team for Dreamy 'Moon Song' – Song Premiere

Listen to their duet of the Oscar-nominated song

Her The Moon Song  Karen O
Courtesy WaterTower Music
The Moon Song from 'Her'.
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Karen O's contribution to the soundtrack for Spike Jonze's acclaimed film Her, "The Moon Song," is one of the more homemade tracks to land a Best Original Song Oscar nomination. In the context of the film, it's just a song that two non-musicians – the characters played by Joaquin Phoenix and Scarlett Johansson – create as an expression of their love. "It's wild because 'The Moon Song' was written and recorded in the most humble of circumstances; at my dining room table, a few paces away from the couch I read the script for Her for the first time," the Yeah Yeah Yeahs frontwoman told Rolling Stone, while sharing her shocked reaction to her nomination.

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But that wasn't the only version she did. In this new rendition of "The Moon Song," Karen O is joined by Vampire Weekend frontman Ezra Koenig. "I wrote the song as a duet," Karen O explained. "I was really excited at the prospect of getting to record it with a male vocalist. Ezra was super cool and open, he slipped into character like a champ and damn he's got the goods."

Even while performing the track in a studio setting with producer J. Ralph, the pair manage to keep the intimacy of the stripped-down, guitar-spun original. The production is notably more polished, with piano added to the mix, and the vocals are more prominent with Karen O and Koenig switching off between lines. "Singing this song with Ezra felt like fulfilling a wish of my die-hard romantic junior high self," Karen O continued. "It's a dreamy tune. Spike's Her is the gift that keeps on giving."​

A special three-song EP of "The Moon Song" arrives this week on iTunes.