'New Moon' Exclusive Song Premiere: Lykke Li, 'Possibility'

Lykke Li

The "Twilight: New Moon" soundtrack's release date was just moved up to Oct. 16, but you can hear one of the album's standout tracks right now on Billboard.com.

Swedish alt-pop singer/songwriter Lykke Li's contribution to "New Moon" is "Possbility," a haunting piece of chamber pop that finds her humming over a hymnal drone and stark, metronomic piano line. "There's a possibility all that I had was all I gon' get," Li sings through thick echoes. "So tell me when you hear my heart stop/You're the only one that knows/Tell me when you hear my silence/There's a possibility/ I wouldn't know."

Li, who recently ended a world tour in support of her debut album, "Youth Novels," recently blogged about her contribution to the "New Moon" soundtrack. "I got to see ['New Moon'] when I was in LA for a show and an idea immediately rose to my mind," said the singer. "It would take a few weeks before I even had a chance to sit down by a piano but then suddenly I wrote it while having a few days off in Sweden just coming out of a fever...I'm really proud of it and hope you will love it and need it."

The "Twilight: New Moon" soundtrack also features indie darlings Bon Iver and St. Vincent in a duet entitled "Roslyn," as well as songs by Radiohead frontman Thom Yorke, Brooklyn band Grizzly Bear, U.K. outfit Muse and rockers Death Cab for Cutie, who claimed the lead single with "Meet Me on the Equinox."