[1] Composer James Horner scored the film, his third and final collaboration with Cameron after Aliens and Titanic.

[2] Horner recorded parts of the score with a small chorus singing in the Na'vi language in March 2008.

[3] He also worked with Wanda Bryant, an ethnomusicologist, to create a music culture for the alien race.

Horner took advice from his assistant, and they put an unusual number of virtual instruments in this project.

An accompanying music video, directed by Jake Nava, premiered on MySpace on December 15, 2009.