In November 2011, Hans Zimmer crowdsourced online audio recordings of a chant to be used in the film’s score. Thousands of people from 107 different countries followed and recorded their chant on ujam.com.

I contributed a few times myself on several computers at various libraries across the Delaware Valley

The original soundtrack will be released on July 17, 2012.

See the official trailer featuring a preliminary version of the chant, a mix of the voices of thousands of early UJAM contributors: