 While mixing can be performed in a recording studio or home office, a full-size mixing stage or dubbing stage is used for feature films intended for release to movie theaters in order to help the mixer envision how the final mix will be heard in such large spaces.During production or earlier parts of post-production, sound editors, sound designers, sound engineers, production sound mixers and/or music editors assemble the tracks that become raw materials for the re-recording mixer to work with.Those tracks in turn originate with sounds created by professional musicians, singers, actors, or foley artists.