Due to its presentation as footage from a consumer digital recorder, "Cloverfield" has no film score, with the exception of the composition "Roar! ("Cloverfield" Overture)" by Michael Giacchino that plays over the end credits. Similarities between "Roar!" and the music of "Godzilla" composer Akira Ifukube have been noted, and it has been suggested that Giacchino's overture is a tribute to Ifukube's work, which was confirmed by Matt Reeves in the DVD's commentary track. The sound track was supervised by William Files and Douglas Murray at Skywalker Sound.