AceShowbiz -

Following the unveiling of the 15-song complete track list of "The Hunger Games: Catching Fire" movie soundtrack last week, a few of the featured contributions in the compilation have now begun to be heard online in full. It's a welcome treat for eager fans since it's still several weeks to go before the album hits stores on November 19.

One of the first tracks to make its way to listeners is pop diva Christina Aguilera's "We Remain", a "special new song" the Grammy Award-winning singer announced last week. The power ballad has her belting out, "So burn me with fire/ Drown me with rain/ I'm gonna wake up screaming your name/ Yes I'm a sinner, yes I'm a saint/ whatever happens here, whatever happens here, we remain."

As for another female act lending her vocals to the album, prolific songwriter Sia Furler drops "Elastic Heart" for the all-star project. "I've got thick skin and an elastic heart," goes the Australian songstress, trading soaring notes with Canadian crooner The Weeknd in the Diplo-produced track.

Another track getting everyone's excited is New Zealand singer Lorde's "Everybody Wants to Rule the World" which people are curious to know how the 16-year-old artist will put her own electro-pop spin on the Tears for Fears classic '80s hit.

Christina Aguilera's "We Remain":

Sia Furler's "Elastic Heart":