Karen O and Ezra Koenig: "Moon Song"

This Oscar-nominated acoustic valentine, penned by the Yeah Yeah Yeahs' Karen O with director Spike Jonze, was pretty cute when Scarlett Johansson sang it in Her. Now it's even cuter: Karen and Koenig of Vampire Weekend bring out the song's full duet poetry, whispering their bliss as if alone in their own lunar love pool.